Tony hawks project 8 on psp!!!!?

I need help. Im on the colenols thing where he tells you the misssion to go into the school. I dont know where to go. I was in the pendulum pool and i spine transfered into the blocked pools and i did it to all of them but i dont know if that is where you get into the school. I have tried lots of things like climbing onto the top of the building andn going up the ladder to find nothing. PLEASE HELP ME!!!