Categories Level 1 for PTs Lead Instructor 1 NKT® Certification Level 323Level 1 - Beginner 172Study Group Leader Level 1 11 Teacher Assistant Level 1 47 Level 2 - Intermediate 81Study Group Leader Level 2 7 Teacher Assistant Level 2 35 Level 3 - Advanced 152Study Group Leader Level 3 4 Teacher Assistant Level 3 17 State 319Alabama 1 Alaska 0 Arizona 24