Black Ninja Outfit: Complete your yearbook.
Black Skate Shoes: Run 50.00km on foot
BMX Champion: Finish bike races.
Boxing Outfit: Win 'Boxing Challenge' or 'Prep Challenge' in Chapter 2.
Crash Helmet: Win the Kart Race at the Carnival
Dunce Hat: Turn on all the showers in boys locker room.
Edna Mask: Break 19/19 Tombstones during Halloween
Fast Food: Finish the Burger Joint errand found in Bullworth Vale.
Firefighter's Helmet: Pull the Fire Alarm 20 times
Gnome Costume: Break all garden gnomes.
Gold Suit: Buy all clothes.
Green Ninja Outfit: Make 1000 projectiles hits.
Grotto Master: Get all G&G cards.
Jimmy's Skeleton Halloween costume: Successfully complete the "The Candidate" mission to unlock the "Halloween" mission.
Orderly uniform: Successfully complete "Finding Johnny Vincent" in Chapter 5.
Pirate hat: Beat up the pirate on the island near the beach house.
Prison uniform: Successfully complete all the detention mini-games.
Pumpkinhead mask: Destroy all 27 pumpkins around the school and inside the main building during the "Halloween" event.
Red ninja costume: Successfully complete the Big Prank task during Halloween at Bullworth Academy.
School mascot costume: Successfully complete "Nice Outfit" in Chapter 4.
Tiny swimsuit: Find the preppie with a blue mission on the beach at the beach house and beat his swimming time.
Wrestling uniform: Successfully complete Gym 1.