YOU SAID:

I'm currently in science with a substitute teacher with a VERY heavy accent, and I'm going crazy.

INTO JAPANESE

私は現在、非常に訛りが強い代理教師のいる科学科に通っていますが、気が狂いそうです。

BACK INTO ENGLISH

I'm currently in a science class with a substitute teacher who has a very strong accent and it's driving me crazy.

INTO JAPANESE

私は現在、非常に強い訛りのある代理教師の理科のクラスに通っており、そのせいで頭がおかしくなってしまいました。

BACK INTO ENGLISH

I'm currently in a science class with a substitute teacher who has a very strong accent and it's driving me crazy.