Go up to the projector and an option for action appears. On a table near the window is a TV and a slide projector.
In one of the classrooms, it is a science-ish room. After the cut scene with Hawksmoor and Anna in the attic, buyt before YOU go there. The first time you visit Montsaye High (The very first level) after freeing the ghosts.
NOTE: if u shoot a rat, leave the room then wait 4 a minute and go back in and the rat will be alive again If u r running low on ghost energy 4 any of ur guns shoot a rat and u will get some
