Here is the full list of all 50 Witch Schools: Love Potions achievements.
Welcom to Lacrimorium
Level 2
Level 3
Level 4
Level 5
Diligent student
Level 7
Level 8
Level 9
Level 10
First day
Level 12
Level 13
Level 14
Level 15
Good question
Level 17
Level 18
Level 19
Level 20
Roommate
Level 22
Level 23
Level 24
Level 25
Breaking the rule
Level 27
Level 28
Level 29
Level 30
Unfair penalty
Level 32
Level 33
Level 34
Level 35
Ready for a date
Level 37
Level 38
Level 39
Level 40
Lets try this spell!
Level 42
Level 43
Level 44
Level 45
Doppelganger
Level 47
Level 48
Level 49
Level 50