519: 11th Grade
explain xkcd: It's 'cause you're dumb.
Title text: And the ten minutes striking up a conversation with that strange kid in homeroom sometimes matters more than every other part of high school combined.
Idly messing around in Perl (a programming language) was a lot more helpful to Randall's career than his high school education.
- [Bar graph title: Usefulness to career success.]
- 900 hours of classes [small bar.]
- 400 hours of homework [small bar.]
- One weekend messing with Perl [huge bar.]