Categories Level 1 for PTs Lead Instructor 1 NKT® Certification Level 331Level 1 - Beginner 175Study Group Leader Level 1 11 Teacher Assistant Level 1 46 Level 2 - Intermediate 83Study Group Leader Level 2 7 Teacher Assistant Level 2 34 Level 3 - Advanced 155Study Group Leader Level 3 4 Teacher Assistant Level 3 17 State 328Alabama 3 Alaska 0 Arizona 23