There are two great Junior Olympic rhythmic gymnastics options:

 

USAG Junior Olympic Individual and Group Rhythmic Gymnastics Program

Individual

Group

Level 3 USAG Beginner
Level 4 Intermediate
Level 5 Advanced
Level 6
Level 7
Level 8
Level 9 FIG Junior Group (age <=15)
Level 10 (earned at National Qualifier) FIG Senior Group (age >15)
Level 10 EliteĀ (earned at National Qualifier)