Here is the full list of all 16 Bad School Boy achievements.
Get more than 7/10 on year 5
Get more than 7/10 on year 4
Get more than 7/10 on year 3
Make 14000 points damage during one lesson
Get more than 7/10 on year 2
Get 10 cards during one lesson
Get more than 7/10 on year 1
Got 10/10 once !
Get your cheat with magnet power
Get your cheat with drill power
Shot 3 hands of first pupils during one lesson
Get your cheat with fly power
stick the teacher with glue
Get 5 cards during one lesson
Get your cheat with buble power
Shot the teacher during lesson