Take the STUDENT PHOTOS 2/3 (W).
Use the KNIFE on the rope and remove it; take the ROPE (X).
Place FABER'S CARD and BUILDSON'S CARD on the board to trigger a puzzle (Y).
Arrange the classes on the right to match the professor's on the left.
The starting placement is random.
See screenshot for solution (Z).
Take the KEY (A) and PAPER (B).
Use the KEY on the mailbox and turn it. Take the STUDENT PHOTOS 3/3 (C) and HANDLE (D).
Go to the basement.
Place the HANDLE on the hammer head. Take the HAMMER (E).
Use the HAMMER on the vase. Take the KEY (F).
Examine the desk to access a HOP.