Kamisama Gakkou No Ochikobore summary:

Modern Japan, a very ordinary and ordinary world. But it's a little different.Gods exists in this world.One day, Nagi, who is about to enter high school, suddenly receives a letter of acceptance from the "God's School" where people with supernatural powers gather.Even though she hasn't even taken the entrance exam? He says she passed the recommendation frame from a strange god, but Nagi's grades are the lowest in his grade among only elites enrolling! The daily life of a school dropout girl begins to move towards the extremely difficult national qualification "God"!Superpower x School x Friendship x Love x Conspiracy!? The spiritual school drama begins here!