Just how much do you know about the GOP presidential candidates? Do you know how they measure up to each other in terms of political experience, what they’re promising and what they’ve done in the past? Take our quiz and test your knowledge.

A lot of our quiz questions draw directly from ProPublica's 2012 presidential campaign reading guides. If you're not satisfied with your quiz score, you can use our guides to brush up.

Good luck, and have fun! And please remember to like us on Facebook while you're at it.

Click here to take the quiz on Facebook

Quiz snapshot