YOU SAID:

Schools over and I have no friends

INTO JAPANESE

学校も終わったし友達もいない

BACK INTO ENGLISH

I'm out of school and have no friends

INTO JAPANESE

学校を卒業して友達がいない

BACK INTO ENGLISH

I graduated from school and have no friends

INTO JAPANESE

学校を卒業したのに友達がいない

BACK INTO ENGLISH

I graduated from school and have no friends