Here is the full list of all 54 Secrets of Magic 5: Back to School achievements.
Play 8 days in a row
Break 82 lava stones
Break 64 lava stones
Play 5 days in a row
Collect 49 keys
Break 180 ice cubes
Destroy 190 metal tiles
Collect 80 chests
Destroy 130 metal tiles
Buy 16 decorations
Use the Hammer power-up 25 Times
Break 108 ice cubes
Collect 1940 golden tiles
Break 25 lava stones
Use the Wand power-up 30 times
Play 2 days in a row
Destroy 16 metal tiles
Collect 20 keys
Collect 850 gold nuggets
Collect 1000 golden tiles
Break 40 ice cubes
Collect 20 chests
For being the Top Score in 32 levels
Use the Hammer power-up 12 Times
Use the Wand power-up 15 times
Use Lightning power-up 16 times
Buy 8 decorations
Use the Fireball Cannon for 40 times
Collect 510 gold nuggets
Explode 32 Rockets
Change the style of an item you've already purchased 8 times.
Change the style of an item you've already purchased 3 times.
Change the style of an item you've already purchased 1 time.
Collect 9 keys
Play 25 levels in a row
Use Lightning power-up 8 times
Explode 18 Rockets
Collect 350 golden tiles
Use the Hammer power-up 4 Times
Use the Fireball Cannon for 20 times
Use Lightning power-up 2 times
For being the Top Score in 15 levels
Use the Fireball Cannon for 2 times
Play 14 levels in a row
Collect 4 chests
Explode 6 Rockets
Use the Wand power-up 5 times
Collect 120 gold nuggets
Destroy 260 gate obstacles
Destroy 190 gate obstacles
Play 5 levels in a row
Destroy 60 gate obstacles
Buy 1 decoration
For being the Top Score in 60 levels