More than five years ago, the Department of Justice found that sheriff’s deputies in the northernmost suburbs of Los Angeles disproportionately targeted Black and Latino residents. It’s still happening to teenagers on school grounds.

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LANCASTER, Calif. — Barron Gardner, a high school history teacher in Southern California’s Antelope Valley, stared down Los Angeles County Sheriff’s Department deputies during an online meeting in April, trying to keep his composure.

Gardner, 41, had become a reluctant spokesperson for a growing movement, driven primarily by Black and Latino residents, to get LASD deputies off school campuses. His wife, who's also a teacher, worried about the repercussions for their family. What if he lost his job? What if he became a target of discrimination or worse? After all, this valley at the western edge of the Mojave Desert, population roughly 500,000, has a long history of racial tension, including white supremacist attacks on Black community members.

But Gardner felt obligated to speak up during the meeting, which had been called by school district administrators. Some of his Black students had complained that they were treated differently than white kids caught doing the same things, like fighting, disrupting class or smoking cigarettes. He’d been concerned for a long time about the culture on campus, fearing it encouraged staff to turn Black students over to law enforcement. But Gardner knew he needed more than just a hunch and secondhand accounts, he said.

Barron Gardner is an Antelope Valley High School teacher. “We don’t need to just cancel the contract, we need a whole paradigm shift,” he said.

He also knew the LASD had a well-documented, troubled track record in the Antelope Valley. In 2013, a Department of Justice investigation found that LASD deputies there had violated the Constitution, including by conducting discriminatory and illegal searches and seizures primarily affecting Black residents. The investigation resulted in a settlement agreement that mandated a batch of reforms, as well as periodic monitoring reports. Gardner combed through the latest of those reports, from the summer and fall of 2020, in preparation for the meeting. Black people, he read, were still much more likely to be stopped and more likely to be searched.

He came prepared for the online meeting with the findings from the federal reports. “I went in, boom, and blew the whole thing up,” he said. But as he stared at the deputies through his screen, he felt intimidated, he said, and his voice shook. When Gardner finished, he said he was met with blank stares. “These people look[ed] at me like I was an alien from outer space,” he said.

Just because it’s happening on the streets doesn’t mean it has anything to do with the schools, Gardner recalls one district official saying. Both the Sheriff’s Department and the district have repeatedly claimed that no one is racially profiling students.

But according to data that California law enforcement agencies are required to publish under the terms of a law aimed at combatting racial profiling, Gardner was onto something: Sheriff’s deputies in the Antelope Valley have disproportionately detained and issued citations to Black teens on public school campuses, an analysis by KPCC/LAist and ProPublica found.

We analyzed and mapped thousands of contacts between deputies and civilians that took place during the 2019 calendar year, the most recent year not disrupted by the COVID-19 pandemic. The analysis focused on Lancaster, one of two major cities in the region, finding clusters of stops on public school campuses. In the vast majority of those contacts, deputies cited “reasonable suspicion of criminal activity” as the reason for the stops.

Our analysis found that during that time, six public high schools accounted for about 300 of the city’s 4,000 stops — or roughly 7 percent. When we compared the race of teens stopped with the demographics of those schools, the disparity was clear. Black teenagers accounted for 60 percent of the deputy contacts on campuses but made up only about 20 percent of the enrollment in those schools.

At Lancaster High Schools, Sheriff’s Deputies Have Stopped Black Teens More Than Their White Peers

Black teenagers at several Antelope Valley high schools were stopped based on a deputy’s “reasonable suspicion” up to four times as much as would be expected based on the schools’ demographics, according to a KPCC/LAist and ProPublica analysis of 2019 data from the Los Angeles County Sheriff’s Department.

Note: Teens perceived to be multiracial by sheriff’s deputies were compared against data for students listed by the California Department of Education as being “two or more races.” Mulitracial teenagers are folded into the “all other races” category. Only 11 total contacts took place at the two alternative high schools in Lancaster, Desert Winds Continuation High and Phoenix High Community Day; those schools are not included in the graphics. Credit: Analysis of data from the Los Angeles County Sheriff's Department and the California Department of Education by Irena Hwang, ProPublica

The highest number of the contacts — more than 100, in a student body of roughly 1,650 — was reported at Antelope Valley High School, where Gardner teaches and most of the student body is Black or Latino. The analysis shows Black teenagers made up more than 75 percent of the reasonable suspicion contacts — about 2.5 times their share of the school’s enrollment.

While Black teenagers at Gardner’s school were questioned at far higher rates than would be expected based on the demographics of the student body, the same was not true for white and Latino teenagers. Only one reasonable suspicion contact involved a white student.

The racial disparity seen in the contacts with deputies is also evident in the district’s disciplinary data, which shows that the share of Black students who were suspended was more than three times that of white students.

At Quartz Hill High School on the city’s more affluent west side, about one-quarter of contacts with deputies involved Black teens, although Black students account for less than 10 percent of the student body.

Terrell “T.J.” Pina was a 15-year-old freshman at Quartz Hill High School in December 2018 when he was detained based on what a deputy labeled “reasonable suspicion” after a fight with a white student. He told school staff that the white boy had been bullying him and calling him the N-word. Terrell was charged with felony assault and spent two weeks in juvenile detention before his first hearing, according to his mother, Richelle Bankhead.

Terrell “T.J.” Pina was a 15-year-old freshman at Quartz Hill in December 2018 when he was detained by the campus deputy in a “reasonable suspicion” stop after a fight with a white student. Pina, a special education student, told school staff that the white boy had been bullying him and calling him the N-word. Terrell was charged with felony assault and spent two weeks in juvenile detention before his first hearing, his mother, Richelle Bankhead, said.

The sheriff’s data indicates that only Pina was arrested for the fight. When asked why the other student wasn’t arrested, John Lecrivain, the Lancaster Sheriff’s Station captain who took over this year, said he could not comment on individual cases involving juveniles.

“The school district had the Sheriff’s Department snatch him up and drag him through the mud like he was a criminal,” Bankhead said.

The felony charge against Pina eventually was reduced to a misdemeanor. He was sentenced to perform community service.

Administrators at Quartz Hill and Antelope Valley High School referred questions to the district. Antelope Valley Union High School District administrators did not respond to interview requests or to a list of written questions.

Stationing law enforcement on school campuses has been controversial for decades, but the backlash has grown in cities across the country since the murder of George Floyd in Minneapolis last summer spurred a broader debate about policing and race. Since then, school districts in Denver, Seattle, and Portland, Oregon, have decided to end or scale back contracts with law enforcement. The Los Angeles Unified School District, the second-largest public school district in the country, decided in February to cut funding for campus policing by one-third.

But there have been no cuts to the police budget in the Antelope Valley Union High School District, despite protests and a petition drive that gathered more than 4,000 signatures in support of ending the district’s contract with the LASD. “These targeted attacks on vulnerable communities only pushes our students into the broken criminal justice system before they’ve had a chance to build a brighter future,” the petition read.

A Cancel the Contract protest in Lancaster, California, called for officials to remove sheriff’s deputies from local high schools

Protestors say LASD deputies, who are stationed on at least nine of the district’s campuses, are racially profiling students, but Sheriff’s Department officials insist that is not the case. LASD Deputy Justin Ruppert, team leader of the Lancaster station’s school safety unit, said the vast majority of deputies’ contacts on campuses are based on referrals from school staff and administrators — not initiated by law enforcement.

To assess the validity of this assertion, we interviewed 25 current and former students, teachers and staff in the Antelope Valley Union High School District. Many said the deputies, who are also known as school resource officers, were brought into relatively minor disputes and that their intervention often escalated the situation.

The news organizations’ investigation found that some students detained by deputies were accused of what some experts said were routine school disciplinary issues.

“They’re turning the principal’s office into the police station,” said Daniel Losen, director of UCLA’s Center for Civil Rights Remedies. “They’re being referred to law enforcement with the kinds of things that, once upon a time, you would just have a little detention, or meet with a principal, or a parent conference.”

Experts interviewed by KPCC/LAist and ProPublica said that a U.S. Supreme Court decision empowered police on campus by loosening Fourth Amendment protections on public school campuses, reducing the burden of proof required for school officials to conduct stops and searches. In California, courts have ruled that those lower legal standards also apply to school resource officers, giving them wider discretion to stop and search students than they would have off campus.

“The reality in California is that schools have become ‘Constitution-free’ zones,” said Richard Braucher, a staff attorney at the First District Appellate Project.

Victoria Ruffin, an Antelope Valley Union High School District board member who cast the lone vote against approving a new contract with the LASD in July, said the analysis by KPCC/LAist and ProPublica supports what she has long suspected. While reviewing expulsion and suspension cases that came before the board during the past three years, she noticed that most seemed to involve Black students. Often, she said, the descriptions of their offenses mentioned referrals to school resource officers.

“It’s a slap on the hand for this kind of kid, but [for] this kid,” there’s punishment, Ruffin said.

A Troubled History

The Antelope Valley sits more than 60 miles north of Los Angeles, up a highway that winds through the San Gabriel Mountains and opens into a vast desert dotted with Joshua trees and other yuccas. The two largest cities in the valley — Lancaster and Palmdale — grew rapidly in the past 30 years, fueled by people priced out of Los Angeles real estate. With that growth came a dramatic demographic shift. White people, who in 1990 had been strongly in the majority at 80 percent, now account for less than one-third of the population, which is mostly Latino and Black.

The Antelope Valley

Lancaster Mayor R. Rex Parris, a Republican, made national news shortly after his election in 2008 for calling for a war on Section 8 housing and complaining that the city was becoming a “dumping ground” for the poor from Los Angeles. His comments led to a federal lawsuit alleging that the cities of Lancaster and Palmdale were working with the Sheriff’s Department and county housing agency to conduct sweeps of public housing, unfairly targeting Black and Latino voucher holders.

The lawsuit was dropped after the cities and Los Angeles County agreed to separate settlements, but it drew the attention of the U.S. Department of Justice’s Civil Rights Division, which, after a two-year investigation, issued a report supporting the allegations involving the housing sweeps and found that deputies routinely racially profiled Black residents in the Antelope Valley.

The DOJ and LASD entered into a court-ordered settlement agreement called a consent decree in 2015, agreeing to reforms that included protections against racial profiling. Consent decrees are one of the most powerful tools the federal government has to combat unconstitutional policing, but they often take decades to complete. The Los Angeles Police Department spent 12 years under a consent decree that was spurred by corruption in the anti-gang unit of the department’s Rampart Division, only being released in 2013. The Oakland Police Department has been under a settlement agreement for nearly 20 years.

Some consent decree monitors complained that they felt less support from the DOJ under the Trump administration, which entered into zero consent decrees and said the agreements increase crime and damage law enforcement morale.

“Prior to Trump, if you were a consent decree monitor, you could be confident that you’d be backed by the Department of Justice,” said David Douglass, the deputy consent decree monitor for the New Orleans Police Department and CEO of the nonprofit Effective Law Enforcement for All. But with Trump, “there were a lot of signs of pullback.”

In the Antelope Valley, slow progress recently prompted local residents to call for federal monitors to take LASD back to court. “We’ve lost faith in this process, to be quite frank,” said Xavier Flores, president of the Antelope Valley League of United Latin American Citizens, at a virtual town hall meeting with the federal monitoring team in February.

A review of the federal monitoring reports by KPCC/LAist and ProPublica shows LASD has made some degree of progress on nearly all of the requirements, but so far it has fully complied with only a handful, most of them related to the housing sweeps. The monitors declined interview requests.

Black people are still much more likely to be stopped and searched, the monitoring team found after analyzing all of the roughly 20,000 deputy contacts in the valley between January and July 2019. The monitors did not specifically look at activity on school campuses.

The most recent report from the monitoring team, released in early August, shows that the department still is not in compliance with the requirement that deputies have a “reasonable suspicion” to stop and detain people.

School resource officers are only mentioned in one sentence in the latest monitoring report. Monitors urged the department to “genuinely listen” to calls to cancel LASD contracts with local school districts.

Antelope Valley High School, part of the Antelope Valley Union High School District, in Lancaster, California

Principal’s Office vs. Police Station

In Antelope Valley’s high school district, the racial disparities in the treatment of Black and white students is evident not just in the contacts with deputies on campuses, but also in the district’s own disciplinary data on suspensions and expulsions.

When a student gets in trouble, teachers can try to resolve the problem on their own, or they can call campus security or a school resource officer for help. If teachers lack the training or experience to handle difficult situations with students, they can often default to calling school resource officers, said Losen, the director of UCLA’s Center for Civil Rights Remedies. But because records involving school disciplinary hearings and juvenile court cases are typically sealed to protect student privacy, it is difficult to assess how the cases are handled across the district.

Robert Davis, who served on the Antelope Valley Union High School District board from 2015 to 2019, said he did his own informal review of outcomes of disciplinary cases that came before the board for votes on suspensions or expulsions, including some that involved deputies. He focused specifically on the racial disparities at two high schools in Lancaster: Quartz Hill and Antelope Valley High.

A former teacher and counselor with the California Department of Corrections and Rehabilitation, Davis looked for cases involving students who were accused of the same allegations and compared their punishments. His observation, he said, was that at Quartz Hill, students of color bore the brunt of any punishments handed out. White students were told not to do that again and given a second chance. At Antelope Valley High School, nonwhite students received the harshest penalties. “Bam! They were gone,” he said.

He said decisions appeared to be “fly-by-night. How are we gonna deal with this kid?”

Jeff Patterson is an Antelope Valley High School teacher who wants to see money reallocated from officers on campus to after-school programs.

An analysis by KPCC/LAist and ProPublica of the district’s disciplinary data shows that it disciplines students — particularly Black students — at far higher rates than the state average.

The district’s suspension rate for the 2018-19 school year was more than 8 percent, about two-thirds higher than the statewide rate for high school students, and the expulsion rate for the district was nearly 45 percent higher than the state’s.

The suspension rate for Black students is about 18 percent, meaning that about 1 in 6 Black students were suspended. That’s over three times the rate for white students, and much higher than the statewide rate for high school students.

Some teachers interviewed by KPCC/LAist and ProPublica said they fear students will face unintended consequences when teachers turn discipline cases over to deputies.

James Tilton, a teacher at Eastside High School, said that a few years back he referred a freshman who had mouthed off to him to security, thinking he’d end up in the principal’s office. The boy, who was Black, ended up in front of a deputy instead. Tilton said the deputy later told him that the boy shoved him and he arrested the student. Tilton has regretted his decision ever since, he said. He keeps thinking the boy needed teachers, counselors, psychiatrists and mentors in that moment. Instead, “we gave him a cop.”

Quartz Hill High School, part of the Antelope Valley Union High School District, in Quartz Hill, California

The Sheriff’s Department’s own analysis of data for the 2019-20 school year — from August until schools closed due to the pandemic in March — shows that deputies assigned to the Lancaster station reported more than 500 calls from school administrators and faculty “to document or investigate a criminal-related incident.” Roughly two-thirds of those calls involved Black students, the data shows.

Ruppert, the team leader of the school safety unit at the LASD’s Lancaster station, said the racial disparities evident in the data reflect an existing problem, which he described as Black students having needs that are not being met outside schools.

What’s happening on campus, he said, is not indicative of racial profiling by school officials or deputies. “They’re not walking through the campus going like, ‘Oh, there’s a Black male student, let’s jam him up,’” Ruppert said.

Shynyia Lemon, 18, who graduated from Antelope Valley High School in June, said having deputies on campus made her feel like she was constantly walking on eggshells. She even considered transferring.

“It makes us be on edge, like, ‘Oh lord, we gotta be careful, we don’t want the deputy to come over and handcuff us for stupid things,’” said. “It just makes you feel like a whole criminal.”

Shynyia Lemon is a former student at Antelope Valley High School; she graduated in 2021.

In August 2019, Lemon, a varsity basketball player, started struggling to breathe as she walked through an outdoor courtyard where deputies had just broken up a fight between two students. Later that day, Lemon opened Instagram and found a video recorded by another student that showed two Black teenagers fighting and two sheriff’s deputies walking up and squirting pepper spray in their faces. The spray also hit the crowd of students and staff, including a coach who was breaking up the fight. (LASD officials said they could not comment on the video, citing the need to review additional material.)

“It was like a simple little fight,” Lemon said. “I could have broken it up.”

In a viral video filmed Aug. 30 at Lancaster High School, a school resource officer slams 16-year-old MiKayla Robinson to the ground and sits on her. The video prompted protests and compelled the Sheriff’s Department to issue a statement that said MiKayla “physically resisted” the deputy. The statement said the department was conducting “an in-depth review of the policy and tactics” used and would “take appropriate action.”

As a result of how a U.S. Supreme Court ruling was interpreted by California courts, deputies have broad authority to stop and search students — more than they would have for adults on a city street.

If any of these stops had taken place off campus, a police officer would have to establish probable cause — specific and detailed facts to support a belief that someone committed a crime — in order to arrest them. To simply detain and question someone, an officer would have to establish they had a reasonable suspicion, which is more than a hunch but less than probable cause.

On California school campuses, though, school resource officers can detain and question students as long as they do not do so arbitrarily or to harass them.

“They got it backwards,” said Sam Walker, a police accountability expert and University of Nebraska Omaha professor. Students could be considered more vulnerable than adults and should have stronger Fourth Amendment protections on school campuses, not weaker, he said.

Lecrivain, who heads up the Sheriff’s Department’s Lancaster Station, said he was not aware of the court rulings and that his deputies adhere to the same standards on campus as they do off. That’s why the stops on school campuses are reported under the state’s racial profiling law as being based on “reasonable suspicion.”

For years, school board member Ruffin said, she’s been concerned that deputies’ duties are not outlined in their contract with the district. The contract provides a short, vague description of deputy responsibilities: “provide law enforcement services.”

“That’s actually pretty shocking,” Walker said.

It’s imperative to make it clear what officers aren’t supposed to do, he said — especially when it relates to stopping and detaining people. “If they don’t have a common understanding, I mean, that’s an invitation to disaster,” Walker said. “This sounds like American policing in the early ’60s.”

KPCC/LAist and ProPublica obtained a copy of an internal security audit commissioned by the district in 2019 that raised concerns about the vague language in LASD’s contract with the district. Two years later, it remains unchanged.

Lasting Consequences

Our analysis found that the overwhelming majority of Black teenagers who were questioned on school campuses on the basis of a “reasonable suspicion” were subsequently issued citations. Nearly two-thirds of the citations issued by deputies based on those contacts involved Black teenagers, the analysis found.

The citations can result in serious consequences. Fighting — the most common violation — carries a penalty of up to 90 days in jail and a fine of up to $400. Because juvenile cases are sealed, there is no way to know how the citations were resolved, although there are other, less punitive outcomes available, including probation, diversion programs and community service.

Pina, the student arrested for fighting at Quartz Hill in 2018, said the judge told him at his first court hearing that he was a menace to the community. Before his arrest, he was a goofy, loving kid and a leader on the freshman football team, his mother said. “I helped kids stay out of trouble,” Pina said.

But after the fight, he was expelled and placed on house arrest with an ankle monitor for at least a month, he said. It was so sensitive, he recalled, that it went off when he took a trip to the garage to feed the dogs. He became withdrawn, retreating into his room with the curtains closed. “I didn’t want to talk to anyone. I didn’t want to come out [of] my room,” he said.

Now he has anxiety attacks, Bankhead, his mother, said. Earlier this summer, Bankhead skipped work because her son, crying, told her he didn’t want to live anymore. “He’s just not the same kid he was prior,” she said.

A few weeks before the current school year, Bankhead got a call from Quartz Hill High. Pina could re-enroll in the district. “They wanted him to play football,” Bankhead said.

She declined the offer. “He’s gonna be in school at 18 years old,” she said. “What if they want him to come back, and then they set him up with something? He goes to jail.”

Beth Cayetano is a teacher at Antelope Valley High School and a campaign co-chair of Cancel the Contract Antelope Valley. The organization is a coalition of community groups that are calling on the Antelope Valley Union High School District to terminate its contract, worth around $1.8 million a year, with the Los Angeles County Sheriff’s Department and reinvest the money in social workers, counselors and other school services and programs.

Safer Schools?

KPCC/LAist and ProPublica tried over the course of several months to interview district administrators, but we did not receive responses, even after sending a list of questions. Ruffin was the only board member who agreed to be interviewed.

Although the district did not respond to requests, it has taken steps to examine the role of school resource officers on its campuses. This summer, the district commissioned a survey that found that about 75 percent of parents and school district staff supported having the deputies, who are armed, in the schools. But less than one-third of students surveyed did; most were undecided. The results, which were presented to the school board, suggested “a lack of relationship or awareness” between students and the school resource officers, according to the researchers.

One of the main arguments advanced by supporters of keeping the school resource officers is campus safety. In April, the school board heard from students and teachers who cited a 2018 shooting at Highland High School in Palmdale, a neighboring city in the Antelope Valley, as a reason for their support. The shooter, who was 14 years old, brought a rifle onto campus and fired about 10 rounds, injuring a 15-year-old. An off-duty Los Angeles Police Department officer, who was a family friend, detained the shooter in a nearby shopping center parking lot.

“The safety of students and staff should be a top priority of the school district — and without law enforcement’s presence on campus, school sites are not safe, period,” Curt Stephan, a teacher in the district for 15 years, said in written testimony to the board.

In 2020, the Trump administration’s Department of Justice released guidelines supporting stationing school resource officers on campus. “The ability of specially selected and trained [officers] to establish trust relationships with students has been demonstrated to prevent school shootings,” the guidelines state.

“In addition, there have been numerous documented instances of SROs directly intervening to prevent or quickly mitigate active school shootings,” they said.

But the Congressional Research Service reported in 2013 that although some studies indicate that school resource officers may deter students from bringing weapons to campus and prevent assaults, “children in schools with [officers] might be more likely to be arrested for low-level offenses.”

“When you put police on campus, you’re asking for a very strict, narrow approach to student misconduct that has nothing to do with the shootings,” said Losen, the director of UCLA’s Center for Civil Rights Remedies.

‘They Don’t Care’

The Antelope Valley Union High School District isn’t the only one evaluating the role of school resource officers. The controversy over having deputies on campuses has attracted the attention of the powerful Los Angeles County Board of Supervisors, which earlier this summer turned its attention to LASD’s 17 contracts with districts, which total about $8 million. In a June vote, the board demanded more data on who deputies stop on school campuses and why.

Starting in 2022, the Sheriff’s Department will have to get the board’s approval for contracts that station school resource officers on campuses.

Antelope Valley High School

“We are simply pulling back the authority that we’ve previously delegated to the sheriff,” said Supervisor Holly Mitchell, who co-authored the motion.

Supervisor Kathryn Barger, whose district includes the Antelope Valley, voted against the move to require board approval of LASD’s contracts, saying she didn’t want to take away the school districts’ power to decide.

KPCC/LAist and ProPublica sent the results of their school resource officer data analysis to Barger’s office. Barger declined to be interviewed for this story, responding to the data and media inquiry with a statement supporting local control, adding that school resource officers “can have a positive impact on students, teachers and school administrators.”

Gardner, the Antelope Valley High School teacher, has grown frustrated with what he describes as a reluctance by district officials to acknowledge LASD’s troubled past and correct the disparities in punishment for Black students.

He said many teachers and staff are afraid to speak up because they fear retaliation from the school district. His fear is supported by a 2019 districtwide internal security audit, which said that several district staffers told auditors that “anyone who speaks-out against the views of the Administration faces swift and severe discipline.”

Gardner went to high school in the Antelope Valley in the 1990s, when the district first started stationing deputies on campuses. He remembers one officer asking one of his Black friends if he was in a gang, Gardner said, and thinking then that the question was wrong.

Gardner said the root of the racial disparities in punishment on campuses is easy to identify: systemic racism, which he said feeds into a knee-jerk reaction by some school staff to call security and deputies on Black students.

After college, when he returned to the Antelope Valley in 2008 to teach and raise his family with his wife, he kept his head down for years, he said. Gardner said he only started really pushing for reforms on campus in January 2020, when he and a group of teachers formed an organization called the Alliance for Black Student Equity, which lists the termination of the LASD contract as one of several goals.

As Gardner became more vocal about the deputies, some community members posted on social media that he should be fired because of his advocacy. But he kept up the campaign. He wasn’t able to make it to the Antelope Valley board meeting in June where they voted to fund the LASD contract for another year because he was teaching summer school. The vote — like the findings of the news organizations’ analysis of stops on campuses — was disappointing, but not surprising, he said.

Gardner is teaching again this fall in his portable classroom, where a Colin Kaepernick jersey hangs on the wall next to thank-you cards from his students.

While he waits for a change in policy, he’s trying to connect one-on-one with the kids in his classes, he said, so they’ll feel comfortable talking to him and coming to him if they have a run-in with school administrators or a deputy on campus.

“I see these kids, and I see my buddies that I grew up with,” Gardner said. “Some of these adults just see criminals.”

People attend a Cancel the Contract protest in Lancaster, California.

About the Data: How We Analyzed Police Contacts in Lancaster

KPCC/LAist and ProPublica obtained data describing the Los Angeles Sheriff’s Department’s contacts with civilians from the County of Los Angeles open data portal. The data includes all incidents where at least one person was detained or arrested, as well as details about each person involved in these contacts, including information about the person’s perceived race and age, and the outcome of the contact. KPCC/LAist and ProPublica then filtered the data for all contacts that took place in Lancaster, California, during the 2019 calendar year where the basis for the contact was listed as “reasonable suspicion that the person was engaged in criminal activity.”

To assess where these police contacts were taking place, KPCC/LAist and ProPublica cleaned and geocoded the address reported for each contact. Geocoded addresses and campus footprints obtained from the Python library OSMnx were used to establish whether a contact took place at a school. (The county data did contain a field indicating whether the contact took place at a K-12 school, but the field was not reliably populated, so it could not be used to find all on-campus contacts.)

KPCC/LAist and ProPublica focused on contacts that took place at campuses of Antelope Valley High School District high schools located in Lancaster. They included Antelope Valley High, Desert Winds Continuation High, Eastside High, Lancaster High, Quartz Hill High and Phoenix High Community Day. The SOAR early college high school was excluded from analysis because it is located on the Antelope Valley College campus, and we could not determine whether contacts that took place at the college were with attendees of the college or of SOAR. When looking at school campuses, we limited our analysis to contacts involving teenagers.

Data used in our analysis is available at the ProPublica Data Store.


Sept. 30, 2021: This story originally misstated the occupation of Barron Gardner's wife. She is a teacher, not a nurse.

Contact reporter Emily Elena Dugdale of KPCC/LAist at [email protected] or on Twitter at @eedugdale.

Alex Mierjeski and Mariam Elba of ProPublica contributed research. Analysis was contributed by Greg Morton of ProPublica and Dana Amihere and Zoe Ives of KPCC/LAist.