Monoe's completed photograph
The School is a location accessed from the City. It's the location that Monoe primarily resides in during the segment, hiding upstairs until their four pieces of her photograph are put together, which can be found laying around, or retrieved by giving NPCs their requested items. Once her photograph is given to her, she then disappears, allowing access to the Red School via the bed.
The Aztec Rave Monkey is visible in the bathroom on the second floor.