In December 1982, sixth formers held a morning Christmas party in the sixth-form centre, during which alcohol was consumed. One pupil fell over and was taken away by ambulance with minor injuries, while another pupil was sent home for being drunk. During the ensuing Christmas holidays, Sennet decided that he should punish those who had been involved in the party. In January 1983, at the start of the spring term, he requested written confessions of guilt from those who had consumed alcohol, stating that this would result in a one-day suspension, with 160 pupils producing such confessions. At this point he changed his mind, deciding that he would provide different degrees of punishment based on the quantity of alcohol that each student individually consumed. The sixth form body refused to accept this, deeming it to be a form of victimisation, and so insisted that it be judged as a collective and punished accordingly. Sennet then suspended all 160 pupils for a day.