A school for kids more worried about their GPAs than getting more than 2 hours of sleep every night. Lab School students can be freakishly smart and overachieving, but they still have plenty of kids who got in in preschool and have turned into stoners. It shouldn't even be considered a real High School considering they don't even have a football team, and the rest of their sports teams are far from admirable. Technically Lab School is the University of Chicago Laboratory Schools, however only the pretentious new kids call it that.
Random Adult: What school do you go to sweetie?
Lab School student: I go to Lab
Random Adult: Oh wow!
Lab School student: Yeah, so basically a little less rich than a Latin kid, and smart
Someone who is addicted to being in lab, constantly running experiments, and can't stop to go home even though they know that it's healthy to maintain a personal life because they find themselves chained to their experiments through an obessive personality type.
I walked into lab at 2 in the morning to check on my bacteria and found that Suzie was still running a gel. What a lab rat (forget that I was there too...)