If you liked the Senkou no Night Raid anime, the Anime-Planet community thinks you'd like:
Maya Kumashiro is an uptight teenager who has returned to the Waldstein “Occult Academy” following her father’s death to assume his role as principal. With a hatred of the supernatural, she initially intends to run the school into the ground, but her plans are thrown into chaos when a new teacher, Minoru Abe, descends from the sky. Claiming to be a time agent, Abe informs Maya that he has been sent from the future to prevent the Nostradamus prophecies from coming to pass. With a rift to another dimension due to open at the Waldstein Academy that will lead to aliens conquering the earth, the unlikely pair must locate a mysterious object known as the Nostradamus Key and destroy it before humanity falls prey to the occult once and for all.