YOU SAID:

I really don't like art class because the teacher is super boring

INTO JAPANESE

先生がとてもつまらないので、私はアートクラスが本当に好きではありません

BACK INTO ENGLISH

I really don't like art classes because the teacher is so boring

INTO JAPANESE

先生がとても退屈なので、私はアートクラスが本当に好きではありません

BACK INTO ENGLISH

I really don't like art classes because the teacher is so boring