Quests are a primary mechanism in School of Dragons. Quests provide all 3 types of XP (Adventurer Adventurer XP, Dragon Bonding Dragon Bonding XP and UDT UDT Points), coins and, some provides other items (Ex.: Dawn of the Dragon Racers provides with 2 Racing Sheep that gives 2 pieces of wool instead of 1) while some reward a dragon or a dragon egg.
For a general list of all the quests go to Quest List.