Fifth year

The fifth year at Hogwarts is the year that students take thier O.W.L.S. This is debateably the most important year at Hogwarts because it is the one that students basically decide thier future, and deacide if they want to advance to the sixth and seventh years at Hogwarts to take thier N.E.W.T.S.. In Harry Potter's fifth year The ministry begins its corruptness and thier is a mass breakout from Azkaban.