Here is the full list of all 56 Paranormal Preparatory School achievements.
Save everyone
Destroy Renzfal
Become empowered
Thou shalt not suffer a witch to live
Share a kiss with Michelle
Share a kiss with Renault
Share a kiss with Sonia
Share a kiss with Max
Share a kiss with Will
Heal the rift between vampires and werewolves
Help the rest of the school accept the new romance
Get a good reputation with the school staff
Become popular with your classmates
Keep Cavalcade Academy open
Help Michelle and Matron reconcile
Forge strong ties with St. Mary's School
No points for fighting fair
Dress as the enemy
Facilitate Michelle's delivery
Take werewolf drugs that are meant for werewolves
Win a dodgeball game
Escape the headmaster's office
Save Grace
Enter the Cavalcade Academy grounds
Succeed in the trial by fire
Mildly impress Madame Cavalcade
Avoid ruining Michelle's evening
Help Michelle with her angry customer
Use alcohol to solve your problems
Score a win over a vampire
Score a win over a werewolf
Keep things calm between your classmates and the humans
Survive a conversation with Lady Rastan
Receive the Dark Detector from Matron
Get answers from the St. Mary's students
Punch your way to the truth
Raise morale with a rousing speech
Agree to an alliance with Will and Romilly
Foster a close relationship between the leaders of two factions
Find common ground between Michelle and Will
Stop a conversation about death from getting awkward
Make friends with a talking book
Use magic to shield Sonia from the sun
Give some of your blood to Sonia
Handle a barghest attack
Buy Matron enough time to perfect their creation
Answer the Guardian's question
Use silver dust to get you out of a tight spot
Drive the enemy out of your ally's mind
Persuade the St. Mary's students to take shelter
Evade the clutches of demons
Persuade Renault to pass on
Literally buy your way out of a situation
Talk your enemy around
Give some advice to a lonely immortal
Deliver the rites and lefts of an exorcism