Baka & Test - Summon the Beasts -: Season 1 « Series from 2017

Fumizuki Academy’s students can summon Avatars, pint-sized versions of themselves that battle using special powers. The students are grouped by skill level, and those in Class A are the brightest.

Then there’s Akihisa Yoshii’s group—lowly Class F. They’re the worst on campus, and they’re about to take on the school’s best.