How does night school work?

Yes ino i have wrote lots of mental ?'z but i relized i have too much time on my hands!. i need to be in school but its only 2 weeks left i dropped out because i hated my my p-e teacher she jus did not like me no im not saying it too make myself feel better or like everyone else says "my teacher doesent like me" im saying it because one day no one brought there p-r clothes back from a friday & it was mon. so she let everyone else rent exept me! & it will be a group of people talking chatting it up & i would be minding my own bussniess sitting wating for the bell too ring not saying a word or looking at anyone & she call me up & tell me too stand in one spot & punish me for no reason. trust me i was at a point were i almost lost my temper but i jus stayed calm & i got to a point were i couldnt take it ne more so i droped out & it was the dumbest thing now i want too finish school get my life back & do right.im 15 explain how night school would work the whole point is i dont want to pay