* Tape a piece of paper under the coworkers mouse that says "April Fools".
* Use an old/dead phone and get upset at an "actor" student for being on their phone. Throw it on the ground to get a gasp from the room.
* Get an office phone call or text and send a student to the principals office. Make sure this staff member is in on it.
* Do a fake show reveal of something funny or underwhelming.
* Tell the students the UIL virtual recording was lost and we'll have to meet again next week to rerecord.