This is just in the slightest bit similar to Harry Potter. But only in one way. The students are separated into houses.

Choose a house

Radiant:
-(not entirely) friendly rivalry with Vespertine 
-choose an extra combat class
-referred to as Paladins, heroes, and Knights

Vespertine:
-(not entirely) friendly rivalry with radiant
-choose an extra stealth class
-referred to as spies and assassins

Obcultus:
-secretive
-choose an extra magic class
-referred to as mages or mad scientists

Regillus:
-natural leaders
-choose an extra leadership class
-tend to become known as kings, presidents or (if all else fails) warlords

Medeor:
-peaceful
-choose an extra magic class
-known as doctors, clerics and healers

Exultantis:
-just want to have fun
-choose an extra arts and crafts class
-known as entertainers, artists, or just boozehounds

Acritas:
-really strong
-choose a free combat class
-known as soldiers, Martial artists, and street fighters

Conclamatus:
-first thought in situation is own survuval
-choose an extra survival class

Classes for 4 years, choose six classes per year, extra classes can make it seven classes per year.
Taking the same class for multiple years will increase proficiency. Proficiency levels are basic, intermediate, adept, and master. Classes are divided into 6 categories: combat, stealth, magic, and arts and crafts.

Combat classes

Martial arts:
-basic fighting

Swordplay:
-understand the difference in different swords

Small arms:
-skills with different kinds of guns

Shields:
-self explanatory

Archery:
-not only the basic but trick shots with bows.

Heavy weapons:
-large projectiles

Blunt weapons:
-maces, flails, hammers, clubs, staffs and lances
-mounted and un mounted training

Edged weapons:
-train with all bladed weapons

Explosives:
-handling, arming, detonation, disarming, and disposal

Stealth classes

Concealment:
-move silently in any terrain, vanish into shadows, hide in plain sight, shadow a person without being noticed.

Poisoning:
-learn to craft, use, and (when possible) cure poisons.
-lethal and non lethal effects, identify poisons, build up an immunity to poisons

Disguise:
-train to craft a convincing disguise

Camouflage:
-receive training in the crafting of near invisible camo, using only the environment.

Distractions:
-craft smoke and flash bombs

Observations:
-train to memorize the contents of a room in a single glance, notice the smallest detail in your environment, and memorize the position of every single object in a room.

Acrobatics:
-increase your flexibility and dexterity.

Magic classes

Summoning:
-train to summon the most fantastic creatures from far existing planes of existence.

Alchemy:
-purify, combine, and perfect materials.

Assuagism:
-close wounds, knit bones, cure diseases, and naturalize poisons.
-masters can resurrect the dead.

Enchantment:
-forge weapons and armor, and infuse other objects with other magics you know.

Pisonics:
-learn telekinesis, telepathy, mind control and more.
-don't overuse, or you can damage yourself

Transfiguration:
-learn to modify the bodies of animals and humans, allowing for shapeshifting and cosmetic alterations.
-masters can alter traits on a genetic level

Worldwalking:
-all students are taught the basics of this, this class can teach you to how to make small pocket dimensions and more

Druidism:
-learn to communicate and control plants and animals
-masters can curse others with lycanthropy

Illusions:
-learn to fool all senses
-higher proficiency allows more complex illusions

Leadership classes

Negotiation:
-maintain the upper hand in any negotiation

Communication:
-learn to give a clever speech

Sociology:
-study the nature of humans in groups

Strategy:
-gain an understanding of battlefield supply logistics and personnel deployment

Carriage:
-train to project an air of dignity

Survival classes

Wilderness:
-learn the skills to survive in all average environments
-learn to make tools and build shelters
-identify edible plants

Desert/Artic:
-learn the skills to survive in extreme environments
-how to find food, water, and shelter in barren landscapes
-how to navigate featureless environments

Intuition:
-train to develop your gut instincts
-prevent yourself from being caught off guard

Pain control:
-learn a series of meditation techniques that will allow you to control how much you feel pain
-when wounded, you'll be able to function as if un injured

Extreme temperatures:
-go through a series of magic trials to help you develop immunity to extreme temperatures
-by the end, you'll be able to casually stroll through an active volcano

Immunity:
-a master necromancer will perform a long series of enchants on you, creating a virus colony that will destroy any invading bacteria or viruses in your body

Arts and craft classes

Music:
-learn to read and compose music

Acting:
-learn to effectively memorize lines and emotions

Dance:
-train in various dances

Art:
-learn to draw, paint, sculpt, write manga and comics, etc...

Cooking:
-learn to cook like a master chef

Extracurricular clubs
You may only participate in up to two clubs. They are not part of the seven classes. A limited number of people may join each club.

Student council:
-make rules for the school and approves the rules of other clubs

Disciplinary committee:
-enforces the rules

Festival committee:
-each year there are five festivals (create the budget, plan, and execute the plan.)

Occult club:
-researches aliens, cryptids, and ancient magic

Band:
- rock band or school band
-rock band produces more modern music
-school band is produces more classics