If the drawers don't open (in the detention room), you obviously haven't got the blueprint from Nate's locker. Go out of the detention room and click on the messed-up, overstuffed locker. The combination is 9305. The locker will open and blast open to the side. Go back to the locker and click it to get the blueprint map. Then go into the Detention room (use the stink bomb if you haven't already) and open the filing cabinet. (see related question)
You can't access the Filing Cabinet unless you have the Blueprint showing where the secret room is. Use Nate's combination to open his locker, and get the blueprint from the pile of papers. Now you can access the room below the filing cabinet.
The second drawer, but that probably isn't the problem. You can click anywhere on the lower part to open the secret passage. What you need is the BLUEPRINT from Nate's locker outside in the second-floor hall. Opening the locker will reveal the blueprint, which you must have before you can access the filing cabinet. (see related question)
It is behind the filing cabinet. You must open Nate's locker on the second level. Pick up the blueprint from the pile in front of it. (see related question)
If you have gotten the blueprint by using Nate's locker combination at his locker, you can open the filing cabinet and enter the secret room. The missing bell clapper is hanging from the ceiling.
Use the Stink Bomb that you can make in the Science Room. (Mix the yellow and blue chemicals and heat them.) Once she is gone, you can open the secret room behind the filing cabinet. You have to have the Blueprint from Nate's Locker. (see related question)
The blueprint to the secret room is in Nate's locker (along with a million other things). The locker combination is 9305 and the blueprint will show the location of the door behind the filing cabinet in Detention. The room below has the missing bell clapper for the school bell. You need the locker opened or the filing cabinet won't open up.
You can't access the filing cabinet until you have the blueprint from Nate's locker (number on the comic strip) and the stink bomb from the Science Room. Use the gum to get detention, set off the stink bomb, then click on the filing cabinet and it will open the ladder to the secret room. Here you will find the missing bell clapper. (see related question)
you have to get a stink bomb and use it in the detention room then go to the filing cabinet an click on the bottom 2 drawers then it will open and you press enter with the cursor.
Set it off after you chew gum and get in detention. It will get rid of the teacher and you can enter the room behind the filing cabinet. (If you don't have the blueprint, go out and open Nate's locker to get it. The teacher is permanently gone.
If the drawers don't open (in the detention room), you obviously haven't got the blueprint from Nate's locker. Go out of the detention room and click on the messed-up, overstuffed locker. The combination is 9305. The locker will open and blast open to the side. Go back to the locker and click it to get the blueprint map. Then go into the Detention room (use the stink bomb if you haven't already) and open the filing cabinet. (see related question)
You have to use your stink bomb you made in the science room.Then the women will leave the room.Go to the cabinet click on the bottom of the cabinet and it will open.
Once you have the eight comic pieces, and assemble them in the frame from the Klassic Komix guy, you should have Big Nate's locker combination. (Show the comic to the the guy at the store to get some gum.) Open Nate's locker to find the plans that show the room behind the cabinet. Build a stink bomb in the Science Lab and then chew the gum to get detention. Set off the stink bomb and then look at the second drawer of the filing cabinet. It open to go down into the hidden room. (To build a stink bomb in the Science Room, mix the blue and yellow chemicals and heat them.)