Would You Guess How Much (Or How Little) These Jobs Pay?

Glassdoor makes it possible for workers to anonymously report their yearly income online. It's a great resource for job-hunting and when negotiating a raise (critical to knowing your job's market value), but the data can also reveal some fascinating facts.

In its most recent study, the website looked at 11 jobs with surprising salaries. Sometimes, it's way less than you'd think — and sometimes, way more. For example, who do you think gets paid better, a food scientist or a railroad conductor? Do actors get bigger paydays, or school principals? Oh, and do you know what Obama's take-home pay is?

Click through to see 11 unexpected salaries for different jobs. Is yours on the list?