Harry Potter and the Order of the Phoenix (2007)

Harry returns to Hogwarts, but his warnings of Voldemort's return are dismissed by the Ministry of Magic, who attempt to take control of Hogwarts. Harry tries to prepare the students for the looming threat of Voldemort, but the Ministry's interference through Professor Umbridge's oppressive regime and Voldemort's growing power lead Harry to form a student army, setting up a confrontation with the dark forces.