You deicided to ask Aizawa if you could take Class 1-A to your normal school (a normal American school) and he agreed since it would be nice for the students to see where normal people learn so now you are at your school

Bakugou: Where tf are the people with quirks?! And where tf is the damn training yard?!!

Denki: WOAHHHH- gasps IS THAT A STUDY ROOM :O

Deku: is taking notes as usual