Girls school..... this means a school for girls. Girls' school is the possessive and would imply that the girls owned the school.
Forget it! You'll only get into serious trouble!
Ask her during lunch or when you have freetime.
Girls need education just as much as a boy. Also, it is to spite you! (and because women deserve as much a choise about their futures as guys)
no not always No when a girl talks in school it is not always about school.