Attending classes is not just a requirement; it's a vital way to unlock new abilities and items. Each class has five levels, and completing them all grants significant bonuses. Missing classes will result in Prefects chasing you, so always prioritize attending. Here's a breakdown of what each class offers:

- English: Improves your taunting abilities, making enemies more susceptible to pranks and easier to fight.
- Chemistry: Unlocks the ability to craft firecrackers, stink bombs, and itching powder in your dorm room.
- Art: Improves your kissing ability, allowing you to gain more health from kissing girls. Also unlocks new clothing items.
- Gym: Enhances your fighting skills, unlocking new melee combos and improving your stamina.
- Shop: Unlocks new bike upgrades, making your bicycle faster and more durable.
- Photography: Unlocks the ability to take photos, which can be used for missions or to earn money.
- Music: Unlocks new rhythm-based mini-games and clothing items.
- Biology: Unlocks new dissection mini-games and provides a small cash reward.
- Geography: Reveals the locations of collectibles on your map, making it easier to find them.
Always check your schedule and attend classes when they are available. The benefits are well worth the time investment.