Here is the full list of all 38 Bully trophies - there are 23 bronze, 10 silver, 4 gold and 1 platinum.
Perform 200 wheelies on the bike.
Buy 100 sodas.
Jack 20 bicycles.
Travel 100,000 meters on foot.
Complete 30 Errand missions.
Complete Chapter 4.
Hit people with stink bombs 50 times.
Trip 25 people with marbles.
Complete all 5 classes for every subject.
Have $1,000 in pocket change.
Kick 100 soccer balls.
Mow the lawn 10 times.
Knock out 200 opponents.
Complete Chapter 3.
Complete 20 Errand missions.
Gain 100% respect from 2 cliques simultaneously.
Complete Chapter 2.
Complete 10 Errand missions.
Complete Chapter 1.
Complete six classes.
Say 100 taunts.
Receive 25 kisses.
Spend 5 hours out after curfew.
Complete three classes.
Unlock every trophy.
Pick 50 flowers.
Egg 25 cars.
Achieve a high score on Consumo, Nut Shots, and Monkey Fling arcade games.
Complete Carnival Go Kart Races.
Complete go kart street races.
Travel 50,000 meters on the skateboard.
Give 50 wedgies.
Break 300 bottles of the shooting gallery.
Purchase 250 clothing items.
Travel 100 km on the bike.
Complete Chapter 5.
Amass 160,000 trouble points.
Acquire all room trophies.