Here is the full list of all 50 Harry Potter for Kinect achievements worth 1,000 gamerscore.
Rank 5 stars in Potions Class
Rank 5 stars in Charms Class
Rank 5 stars in Troll Battle
Rank 5 stars in Quidditch Match - Seeker
Rank 5 stars in The Philosopher's Stone Chamber
Rank 5 stars in Cornish Pixies
Rank 5 stars in Mandrake Repotting
Rank 5 stars in Duelling Club
Rank 5 stars in The Chamber Of Secrets
Rank 5 stars in The Whomping Willow
Rank 5 stars in Catch Scabbers
Rank 5 stars in Battle The Dementors
Rank 5 stars in Triwizard Tournament Second Task
Rank 5 stars in Triwizard Tournament Third Task
Rank 5 stars in Harry vs Voldemort Duel
Rank 5 stars in Room of Requirement
Rank 5 stars in Ministry of Magic Death Eater Battle
Rank 5 stars in Dumbledore vs Voldemort Duel
Rank 5 stars in Quidditch Match - Keeper
Rank 5 stars in The Locket Horcrux
Rank 5 stars in Snape vs Harry Duel
Rank 5 stars in Luchino Caffe Duel
Rank 5 stars in Journey to the Lestrange Vault
Rank 5 stars in Destroy the Bridge
Rank 5 stars in Nagini Battle
Rank 5 stars in Voldemort Finale
Complete the Casual Difficulty Mode
Complete the Advanced Difficulty Mode
Complete Year 1
Complete Year 2
Complete Year 3
Complete Year 4
Complete Year 5
Complete Year 6
Complete Year 7
Rank 5 stars in all games
Complete the Casual Challenge Mode
Complete the Advanced Challenge Mode
Complete the Extreme Challenge Mode
Unlock all playable characters
Win all blackboard duelling groups
Complete all blackboard potions classes
Practise all blackboard spells
Play all multiplayer games
Win all blackboard dodging games
Listen to all the Sorting Hat's songs
See Fawkes burst into flames
Defeat all possible opponents in blackboard duels
Unlock all blackboard games
Scan your face