Prom is the last episode of Bad education series and Season 3.
With exams over it's careers advice day for Form K, but it is Alfie who makes the biggest decision of all when he realises he can't go on teaching without his beloved class and quits Abbey Grove. Fraser is devastated to lose his best friend and takes the news badly. Alfie reveals he has landed himself a job at the Playstation factory, even though in reality it is at DIY Home Stores, and cannot be tempted back despite Gulliver and his class begging him to return. Miss Gulliver tries unsuccessfully to cheer up the class by being a cooler teacher. Meanwhile the school Prom takes place and the Prom king and queen are crowned. Alfie gives a final emotional goodbye to his class.