There are two ways to lose, first let family tension get too high (check the phone and change sleeping partner whenever the tension meter gets too high for anyone), and the second is to not keep your attendance at school high enough (although once you reach a certain point with the principal she will fix your attendance if it drops)yes you did, part of the game is balancing family relations, between attending dinners and sharing rooms, so make sure you regularly attend meals and swap roommates
Not having a job is really bad, but I think that just leads to high levels of family tension?