Answer:
All Stars
Champions
Elite Crew
Icons
(For math,) League of Mathematicians
Academic Outliers
The Study Tribe
Grade Runners
Academic Ninja's (my brothers two-cents)
Strikers
Wolves of (your school name)
A-Defenders
Schoolhouse Monarchy
Academic Renegades
The Grapes of Math (mathematical study group twist on The Grapes of Wrath)
So forth..