Categories Level 1 for PTs Lead Instructor 1 NKTĀ® Certification Level 311Level 1 - Beginner 192Study Group Leader Level 1 11 Teacher Assistant Level 1 55 Level 2 - Intermediate 90Study Group Leader Level 2 6 Teacher Assistant Level 2 36 Level 3 - Advanced 119Study Group Leader Level 3 5 Teacher Assistant Level 3 16 State 308Alabama 0 Alaska 0 Arizona 29