Categories Level 1 for PTs Lead Instructor 1 NKT® Certification Level 307Level 1 - Beginner 155Study Group Leader Level 1 11 Teacher Assistant Level 1 41 Level 2 - Intermediate 77Study Group Leader Level 2 7 Teacher Assistant Level 2 31 Level 3 - Advanced 148Study Group Leader Level 3 4 Teacher Assistant Level 3 14 State 305Alabama 3 Alaska 0 Arizona 22