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