Mr. Simonet gives his students a year-long assignment: "Think of an idea to change our world - and put it into ACTION!" He creates this assignment to prove to his students that, despite their age and current situation, they can indeed change the world. Mr. Simonet inspires his students by suggesting that anything is possible if you put your mind to it.
In this scene, Andy takes a drink before confronting his cheating wife. The scene cuts to the courtroom, where he is explaining to the prosecution what happened that night. Then, the scene cuts back to Andy's confrontation.
After the principal caught Sams fooling around instead of being in class, he walked into the bathroom and saw that all his other friends were there. As a punishment, he wanted them to sing the school anthem as it shows that they have been learning something but they sung it with easy and with a different rhythm which surprised the principal. He learned to accept the song and approved the changes with it.