Why is Peter Parker going back to highschool for spicy 4?

why is peter parker going back to high school like wtf??? the last three movies were awesome i loved them why would they put them all back?? and does that mean harries dad is coming back and harry is coming back like whats the point and are they going to show him get his spicy bite??? if they do this will suck and also TOBY MAGUIRE IS THE BEST SPIDERMAN EVER!!!! why would you fire him and Kirsten Dunst this is so stupid what was everyone thinking...if they couldn't get the deadline why not postpone the deadline but keep everyone im so ticked i was so excited now im not :(