At Your School (2012)

When teenager Lesley is humiliated by his teacher Leo Elferink, he starts to doubt his own existence. These doubts lead him to an immense depression in which he sees no other way out than jumping off the roof of his school. This suicide leads to an enormous anger not only to Werner - Lesley's brother - but also to his classmates Ruby and Sam. They decide to make Leo Elferink their hostage and with that they also hijack a complete class of pupils on the school. Now "court is in session" to reveal that truth is not always what you think it is.