Categories Level 1 for PTs Lead Instructor 1 NKT® Certification Level 319Level 1 - Beginner 171Study Group Leader Level 1 11 Teacher Assistant Level 1 46 Level 2 - Intermediate 77Study Group Leader Level 2 7 Teacher Assistant Level 2 35 Level 3 - Advanced 153Study Group Leader Level 3 4 Teacher Assistant Level 3 17 State 315Alabama 1 Alaska 0 Arizona 23