YOU SAID:

I am extremely bored and tired of being at school

INTO JAPANESE

私は学校にいることに非常に退屈で疲れています

BACK INTO ENGLISH

I'm very bored and tired of being in school

INTO JAPANESE

私は学校にいるのにとても退屈で疲れています

BACK INTO ENGLISH

I'm very bored and tired at school

INTO JAPANESE

私は学校でとても退屈で疲れています

BACK INTO ENGLISH

I'm very bored and tired at school