Categories Level 1 for PTs Lead Instructor 1 NKT® Certification Level 314Level 1 - Beginner 167Study Group Leader Level 1 11 Teacher Assistant Level 1 44 Level 2 - Intermediate 79Study Group Leader Level 2 7 Teacher Assistant Level 2 34 Level 3 - Advanced 147Study Group Leader Level 3 4 Teacher Assistant Level 3 17 State 311Alabama 3 Alaska 0 Arizona 22