Categories Level 1 for PTs Lead Instructor 1 NKT® Certification Level 311Level 1 - Beginner 157Study Group Leader Level 1 10 Teacher Assistant Level 1 40 Level 2 - Intermediate 80Study Group Leader Level 2 6 Teacher Assistant Level 2 30 Level 3 - Advanced 145Study Group Leader Level 3 4 Teacher Assistant Level 3 14 State 309Alabama 3 Alaska 0 Arizona 22