Here is the full list of all 52 Arcane Arts Academy achievements.
Bring 20 customers to anger and leave
Decorate Erika's room
Watch all the scenes
Complete levels with at least 1 star
Complete levels with 3 stars
Complete all levels in the bookshop
Collect diamonds
Complete all levels in the laboratory
Make a crystal potion in the laboratory
Complete all levels in the courtyard
Complete all levels in the glasshouse
Collect crowns by performing side tasks
Grow a magic flower in the glasshouse
Find the cats
Serve books in a bookshop
Complete all levels in the clocktower
Expose magic lenses in the clocktower
Serve sets of clothes in the courtyard
Serve customers with 5 hearts at the checkout
Get a bonus for full orders
Get "all clean" bonus on 10 levels
Get a bonus for quick service
Fire up and win an already played level 5 times
Complete the tutorial