Sinister Institute

From BoardGameGeek:

Building a teenage-full wizardry college in the middle of a cursed swamp didn't seem a bad idea, somehow. At least, not until the Evil Sorcerer showed up with his little minions, craving total annihilation and with no teachers to defend you in sight! Take on the mission and defeat the Evil Sorcerer by collecting and destroying the pieces of his cursed soul to save your beloved school and get the teachers to give you an A++ in the subject "Dealing with Ancient Evils." In Sinister Institute, players will work co-operatively to complete Rituals in order to defeat the Evil Sorcerer. You'll explore the School and the Swamp that surrounds it, by flipping the tiles and moving on them, and collect the Items you'll find scattered around this world. Each Ritual is worth a certain amount of points and, once completed, you score it by reducing the health of the Evil Sorcerer on the Points board. Bring the health of the Evil Sorcerer down to zero before the Story deck runs out or all the Minions are placed to win the game! -description from the publisher