Categories Level 1 for PTs Lead Instructor 1 NKT® Certification Level 320Level 1 - Beginner 168Study Group Leader Level 1 11 Teacher Assistant Level 1 43 Level 2 - Intermediate 77Study Group Leader Level 2 7 Teacher Assistant Level 2 32 Level 3 - Advanced 151Study Group Leader Level 3 4 Teacher Assistant Level 3 16 State 317Alabama 3 Alaska 0 Arizona 23