Here is the full list of all 38 Bully: Scholarship Edition achievements worth 1,000 gamerscore.
100% completion.
Achieve A High Score on Consumo, Nut Shots, and Monkey Fling Arcade Games
Break 300 bottles at the shooting gallery.
Collect 250 clothing items.
Complete 6 Classes
Complete All Missions
Complete Chapter 5
Travel 100 km on the bike.
Complete 30 Errand Missions
Complete All Paper Route Missions
Complete All Go Kart Races
Complete All Bike Races
Complete Chapter 4
Travel 100,000 meters on foot.
Complete All Lawn Mowing Jobs
Complete Chapter 3
Travel 50,000 meters on the skateboard
Perform 200 wheelies on the bike.
Complete 20 Errand Missions
Beat up 200 opponents
Receive 20 kisses from the gents.
Complete Chapter 2
Egg 25 cars.
Pick 50 flowers
Receive 25 kisses from the ladies.
Hit people with stink bombs 50 times.
Complete 10 Errand Missions
Trip 25 people with marbles.
Complete ½ of all Go Kart Races
Complete All 4 of the Carnival Games once
Complete 9 Classes
Give 50 wedgies
Say 100 taunts.
Kick 100 soccer balls.
Buy 100 sodas
Complete 3 Classes
Complete Chapter 1
Spend 5 hours out after curfew