When you take out a loan, the expectation is that you'll pay back all the money you've borrowed (plus interest, of course). It usually takes pretty catastrophic circumstances for a federal student loan to be canceled, like your school shutting down before you can get your degree.
The Perkins loan program is different, in a good way - it offers loan forgiveness/cancellation in a wide variety of other, happier circumstances. In an effort to encourage graduates to pursue certain public service careers, the loan program offers loan forgiveness, or cancellation, to borrowers in certain professions. If you have a Perkins loan and enter one of the fields I outline below, you could have up to 100% of your loan canceled. Read on to learn more about cancellation eligibility & the loan cancellation process!