You have to actually interact with the stuff that appears! you have to use the lever to the left to use one obelisck then striaght up to use other in one in onother there are brazierz that have to be changed to the correct school color (the code is on the wall) then the last has a bunch of obeliscks again on the wall is the code turn on the obeliscks on the wall when you do each correctly it should say you hear a lock break and once it says that three times when you go back to the door it should be open! hope that helps 8) :-)
8) :-)