Note: This characters do not belong to me, they belong to Marvel.
Background Info:
11th grade:
Tony Stark
Steve Rogers
Natasha Romanoff
Thor Odinson
Clint Barton
Bruce Banner
Pepper Potts
Stephen Strange
Bucky Barnes
Drax Destroyer
Raven Darkholme
Hank McCoy
Jane Foster
Darcy Lewis
T'Challa
Grant Ward
Ikaris
Phastos
12th grade:
Phil Coulson
Melinda May
Hela Odinson
Helmut Zemo
Charles Xavier
Erik Lensherr
James Howlett (Logan)
Alex Summers
Wong
Gilgamesh
Thena
Ajak
10th grade:
Scott Lang
Hope Pym
Luis
Sam Wilson
Peter Quill
Gamora Titan
Xu Shang-chi
Katy Chen
Skye Johnson
Sersi
Kingo
9th grade:
Pietro Maximoff
Wanda Maximoff
Vision Visions
Loki Odinson
Xu Xialing
Yelena Belova
Nebula Titan
Rocket Racoon
Groot Groot
Makkari
Druig
8th grade:
Scott Summers
Jean Grey
Ororo Munroe
Kurt Wagner
Leo Fitz
Jemma Simmons
7th grade:
Kate Bishop
Peter Parker
Michelle Jones
Ned Leeds
Shuri
Sprite
This is mostly a guide for me, but it might be useful to not get lost.