Use the Left Analog-stick and Right Analog-stick together to make the pointer move faster, thus giving you more time to complete the assignment.
Christmas
During Christmas, get a punishment and get the stick by the library - drop it and walk past the prefect and then you will unlock something.
Defeating Rustle
Throw a few fire crackers at him, then get up close and start punching him. Do this until he is defeated.
Endless Summer Chapter
It is possible to finish the game without 100% in all missions. However, if you watch the end credits you will see that Chapter 6, "Endless Summer", has been unlocked, which allows you can do any missions that you may have missed.
Kiss a girl before a Boxing match to get extra health.
Free Sodas
Keep buying sodas at least 100 times! Yes, I got that secret unlocked for drinking Beam Cola.
Getting in the girls dorm unseen
Unlock the Black Ninja costume by filling the yearbook. Then, go to a wardrobe and change into the Black Ninja costume. Go directly to the girls dorm and walk in. If you look at the map, you will notice that the yellow bar is at 0%. The staff will not see you unless you raise the yellow bar, but the students will.
Girlfriends fight
Kiss one girlfriend then walk slowly until you find another girl you can kiss. You must walk slowly so that the girl you just kissed will follow you. When you kiss the next girl, the two girls will start fighting.
Hobo Alien
After you complete all 6 radio transmitters and give it to the Hobo, you will see that the hobo is abducted by aliens. Done this already.
Kiss cornelious
When you get to chapter 5, go up to cornelious (the skinny black nerd) and say hi twice, then you can give him flowers and kiss him.
Kissable cheerleaders
All the kissable girls are cheerleaders, except Beatrice (nerd girl), Lola (greaser girl), Zoe (townie girl), and the fat girl. You can see the girls as cheerleaders during the Gym class hour at football camp.
Kissing Kirby
After Chapter 5, you can kiss Kirby the jock.
Kissing Vince
After Chapter 3, you can kiss Vince the greaser.
Pirate hat
Swim forward in the bay from your prep beach house. Keep swimming until you cannot swim further then turn right to go around the island until you see a pirate ship. To the right on the shore is a hidden pirate. Beat him up to get the pirate hat.
Recommended costume
Go to a wardrobe where you can change. Put on the school uniform then go to "Head". Switch it from nothing to the mascot head. By doing this you will get good compliments on clothing, and making out time with girls is reduced, which gives you extra time and the health bonus.
School mascot costume
Complete "Nice Outfit" in Chapter 4.
See the "Bitch" vomit in "That Bitch" mission
Hide in the trash can behind you after you place the stink bomb in "her" locker. When she does not see you, she will vomit and continue to do so as you make your escape. If she catches you before you hide, she will run away screaming.
Shirts
After defeating a Boss (such as Russell), you can find their shirts in your room.
Skeleton Halloween costume
Complete the "The Candidate" mission to unlock the "Halloween" mission.
Smash It Up mission: Easy completion
The rubber band ball is very useful in the Smash It Up mission. Go to the warehouse with Zoe. Start the mission by throwing a few at ground level, then climb high and start launching the rubber band balls everywhere. If done correctly should complete the mission on your first attempt.
Spandex bike shorts
Ride a bike 100 km.
Tiny swimsuit
Find the preppie with a blue mission on the beach at the beach house and beat his swimming time.
Trent romance
Get flowers from the girls dorm, then talk to Trent. If you talk to him twice, it will bring up the option to give him flowers. When you do so, the lips will appear and you can kiss him. Note: You must complete the first chapter in order to do this.
Various Codes
Complete the indicated task to unlock the corresponding bonus item.
Black ninja suit: Take a picture of all the students of Bullworth for your yearbook.
Black skate shoes: Run 50 km on foot.
BMX Champion helmet: Complete all bike races.
Boxing outfit: Win the "Boxing Challenge" or "Prep Challenge" in Chapter 2.
Crash helmet: Win the first set of Go-Kart races.
Double carnival tickets: Collect all G & G cards.
Dunce hat: Turn on all the showers in boys' locker room.
Edna mask: Break all nineteen tombstones on Halloween.
Fast food: Finish the Burger Joint errand in Bullworth Vale.
Fireman's hat: Pull the fire alarm twenty times.
Gnome costume: Break all garden gnomes.
Gold suit: Buy all clothes.
Green ninja suit: Enter the boys' dorm. There should be a rat running around. Kill it with your slingshot, then look for the other rat in the hall. If you kill it the message "Secret unlocked" should appear. Note: The rat may not be there during the Chapter 1. Alternately, make 1,000 projectiles hits.
Grotto master: Collect all G & G cards.
Orderly uniform: Complete "Finding Johnny Vincent" in Chapter 5.
Pirate hat: Swim forward in the bay from your prep beach house. Keep swimming until you cannot swim further then turn right to go around the island until you see a pirate ship. To the right on the shore is a hidden pirate. Beat him up to get the pirate hat.
Prison uniform: Complete all the detention mini-games.
Pumpkin head: Smash all twenty seven pumpkins on Halloween or all pumpkins in the basement.
Red ninja suit: Complete "Big Prank" during Halloween at Bullworth Academy.
Robber mask: Break into fifteen lockers without getting caught.
Rubber band ball: Collect all rubber bands.
School mascot costume: Complete "Nice Outfit" in Chapter 4.
Spandex bike shorts: Ride a bike 100 km.
Skeleton Halloween costume: Complete the "The Candidate" mission to unlock the "Halloween" mission.
Tiny swimsuit: Find the preppie with a blue mission on the beach at the beach house and beat his swimming time.
