(Honestly you don't have to read the profiles)

Zhang Yixing

Age: 30
• Principal/Founder of 'Balance College'
•History teacher(cues exo -History),
Science/Biology teacher (healing unicorn)
•still believes Unicorns are real( talks about them every week in history)
•Is strict/serious when teaching a class but gentle and kind during break time and off work
•Dance + music teacher

Jackson Wang

Age: 28
•P.E teacher("Welcome to Jackson's bodybuild training"),
•Rap teacher
•Always make sure the students eat rice during dinner
•gets salty when he has a tall student
•childhood friends with Mark and Henry (they use fight a lot(still does))
•Always makes the school Assembly 1000x more fun.
•babysitted Qinfen
•taught the school for 3 years

Zhou Jieqiong

Age: 28
•Maths teacher
•Dance teacher( along with Chengxiao)
•childhood friends with Cheng Xiao
•She's strict when teaching but once you get to know her she's more bubbly
•taught the school for 2 years

Cheng Xiao

Age: 28
•Art teacher,
•Geography teacher,
•Dance/Ballet teacher
•childhood friends with Jieqiong
•likes to treat her students a lot e.g food, class trip
•taught the school for 2 years

Li Ronghao

Age: 34
•Science/Physics teacher
•History teacher
•Vocal/choir teacher
•though he's 34 his mental age is prob 50+
•shows no reaction/ doesn't express his emotions well
•taught the school for 4 years

MC Jin

Age: 35

•Rap teacher,
•Media/films teacher
•24/7 full of energy
•School's football/soccer coach
•taught the school for 4 years

Henry Lau

Age: 31
•Music/instrument teacher,
•Foreign language teacher
• Amber & Jackson's childhood friend
•Tries to act cool & chill in front his students but always fail
•taught the school for 4 years

Victoria Song

Age: 31
•Dance teacher,
•Drama/acting teacher,
•Art-photography teacher
•Textiles teacher
•Close with Yixing ,Chen, Zhoumi,Henry & Amber (SM artists)
•Loves her students but find them annoying too
•taught the school for 3 years

Zhoumi

Age 32
•Drama/Acting teacher
•Science/ Chemistry teacher
•Vocal Teacher
•Victoria's childhood friend
•Henry's best friend
•taught the school for 4 years

Fan Bingbing

Age: 36
•Drama/acting teacher,
• most of the time she's the School Nurse
•Though she looks gentle & elegant she's savage(like chengcheng) and intimidating.
•Fan chengcheng's older sister
•is Famous she acted in a lot of films during her teenage years
•taught the school for 4 years

Tsai Jolin

Age: 37
•Home economics & Cooking teacher (she's actually really good at making cake and I think got an award)
•Dance teacher
•School Counsellor
•taught the school for 4 years
(She was in Idol Producer ep 11)

Amber Liu

Age: 30
•Digital Technology teacher
•Dance teacher
•Friends with Henry, Jackson, Mark, Victoria,Zhoumi
•taught the school for 3 years

Mark Tuan

Age: 30
•Maths & English teacher
•Rap teacher
•School's Basketball coach
•Jackson's childhood friend
•Swimming teacher
•taught the school for 3 years

Chen/Kim Jongdae

Age: 30
•Vocal teacher
•Crafts teacher
• Teases and pranks the students a lot
•Childhood friends with Yixing
•School's baseball & cricket coach
•taught the school for 3.5 years

Jun/Wen Junhui

Age: 27
•New teacher
•P.E teacher
•School's Martial Arts coach
•Piano Teacher
•Math teacher

(A fan asked Jun if he watches Idol Producer & he said he does. Most of the trainees were his friends and he use to train with them like cai xukun, zhengting & Chen Minghao )

Xu MingHao

Age: 27
•New teacher
•P.E teacher
•Digital technology teacher
•Dance teacher
•Swimming teacher
•Martial arts teacher/coach
•Jun's childhood friend