YOU SAID:

im going to shoot up this school

INTO JAPANESE

この学校を撃つつもりですim

BACK INTO ENGLISH

I am going to shoot this school im

INTO JAPANESE

私はこの学校のイムを撃つつもりです

BACK INTO ENGLISH

I am going to shoot this school's im

INTO JAPANESE

私はこの学校のイムを撃つつもりです

BACK INTO ENGLISH

I am going to shoot this school's im