YOU SAID:
i am going to ninth grade next year
INTO JAPANESE
私は来年ハワイへ行くことになっています。
BACK INTO ENGLISH
I am going to Hawaii next year.
INTO JAPANESE
私は来年ハワイへ行くことになっています。
BACK INTO ENGLISH
I am going to Hawaii next year.
That didn't even make that much sense in English.