YOU SAID:

I don't want to go to school because the teachers are mean

INTO JAPANESE

先生は意地悪だから学校に行きたくない

BACK INTO ENGLISH

Because the teacher is mean, I do not want to go to school

INTO JAPANESE

先生は意地悪なので学校に行きたくない

BACK INTO ENGLISH

My teacher is mean, so I do not want to go to school.

INTO JAPANESE

私の先生は意地悪なので、私は学校に行きたくありません。

BACK INTO ENGLISH

My teacher is mean, so I do not want to go to school.