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