Would You Like A Hertz Donut?
Ask a classmate if he would like a Hertz Donut. After he asks you what a 'Hertz Donut' is...punch his arm as hard as you can. Make sure it 'Hertz'

Locker Room Prank
If the person below your locker pisses you off, here is a prank you can do. Clear your locker out, then slowly pour water inside, the water will drain down the air vents and side slits and get everything wet on the locker down below. If you want to be even more dirty, you can pour soda or a milkshake. It will be stickier and may attract ants.

Soaked Towel Prank
After gym class or basketball practice, while your teammate is showering in the cubicle next door, get your towel completely soaked. Then swap it with his while he is shampooing his hair. 9 times out of 10 they will hang the towel over the top of the cubicle. This makes the prank way too easy.

Back Of T-Shirt Sticker Prank
Place a sticker on the back of your victim's t-shirt. Have it read "Boy Crazy" or "Daddy's Lil Princess" if its a male victim. Get Creative!

Saran Wrap Glasses
When you victim just leaves their glasses laying around on a desk, quickly snag them. Then wrap it in saran wrap and put it back on the desk. Your victim will be in for a foggy surprise when they go to read.

Classic Whoopie Cushion Prank
Place a whoopie cushion on your teacher or classmates seat.

Fun With Lunch Trays
During lunchtime in the cafeteria, fill your plastic lunch tray with ketchup. Fill it all the way to the top and put it back with all the other dirty trays for the lunch lady to clean.

Remove The Balls
Remove the balls from inside all of the computer mouse in your class. Everyone will become frustrated when they are not working.

Finger In The Cup
Get a paper cup and cut a hole through the bottom of it. Stick you finger through from the bottom. Pour some ketchup inside, then go around telling people you cut your finger off.

Whisper Prank
Between classes, after you talk to someone in the hallway let him or her walk away. Then after they walked a good distance in the opposite direction call him back and whisper in his ears, "How far would you have gotten if I didn't call you back"