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