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