YOU SAID:
i have school tomorrow and i don't want to go
INTO JAPANESE
私は明日学校があり、行きたくない
BACK INTO ENGLISH
I have school tomorrow and do not want to go
INTO JAPANESE
私は明日学校があり、行きたくない
BACK INTO ENGLISH
I have school tomorrow and do not want to go
That didn't even make that much sense in English.