I

• [+] High school sports associations in Illinois (1 P)
• [+] Indiana High School Athletic Association (IHSAA) (11 C, 68 P)
• [+] Iowa High School Athletic Association (7 P)

M

• [+] High school sports associations in Massachusetts (6 P)

M cont.

• [+] Minnesota State High School League (1 C, 10 P)

P

• [+] High school sports conferences in Pennsylvania (1 P)

S

• [+] South Puget Sound League (24 P)

U

• [+] University Interscholastic League (14 P)

V

• [+] Virginia High School League (60 P)

W

• [+] Washington Interscholastic Activities Association (1 C, 12 P)

*

• National Federation of State High School Associations
• Template:NFHS

A

• Alabama High School Athletic Association
• Alabama Independent School Association
• Alaska School Activities Association
• Arizona Interscholastic Association
• Arkansas Activities Association
• Arkansas Valley League

C

• California Interscholastic Federation
• Catholic High School Athletic Association
• Ches-Mont League
• Colorado High School Activities Association
• Connecticut Association of Schools

D

• Delaware Interscholastic Athletic Association

F

• Florida High School Athletic Association
• Friends School League

G

• Georgia High School Association

H

• Hawaii High School Athletic Association

I

• Idaho High School Activities Association
• Illinois High School Association
• Independent Schools Athletic League (New York)
• Indiana High School Athletic Association
• Interscholastic Hockey League
• Interscholastic Sailing Association
• Iowa Girls High School Athletic Union
• Iowa High School Athletic Association

K

• Kansas State High School Activities Association
• Kentucky High School Athletic Association
• Kingco Athletic Conference

L

• Louisiana High School Athletic Association
• Louisiana Independent School Association

M

• Maine Principals' Association
• Marmonte League
• Maryland Public Secondary Schools Athletic Association
• Michigan High School Athletic Association
• Milwaukee City Conference
• Minnesota State High School League
• Mission Valley Athletic League
• Mississippi High School Activities Association
• Missouri State High School Activities Association
• Monsignor Martin Athletic Association
• Montana High School Association

N

• National Private School Athletic Association
• Nebraska School Activities Association
• Nevada Interscholastic Activities Association
• New England Preparatory School Athletic Council
• New Hampshire Interscholastic Athletic Association
• New Jersey State Interscholastic Athletic Association
• New Mexico Activities Association
• New York State Association of Independent Schools Athletic Association
• New York State Public High School Athletic Association
• North Carolina High School Athletic Association

N cont.

• North Coast Section
• North Dakota High School Activities Association

O

• Ohio High School Athletic Association
• Oklahoma Secondary School Activities Association
• Oregon School Activities Association

P

• Packerland Conference
• Pennsylvania Interscholastic Athletic Association
• Philadelphia Catholic League
• PIAA District 10
• Pioneer Athletic Conference
• Potomac Valley Athletic Conference

R

• Rhode Island Interscholastic League

S

• Sac-Joaquin Section
• South Carolina High School League
• South Dakota High School Activities Association

T

• Tennessee Secondary School Athletic Association
• Texas Association of Private and Parochial Schools
• Tournament of Champions (NJSIAA)

U

• University Interscholastic League
• Utah High School Activities Association

V

• Vermont Principals' Association
• Virginia High School League

W

• Washington Interscholastic Activities Association
• West Virginia Secondary School Activities Commission
• Wisconsin Interscholastic Athletic Association
• Wyoming High School Activities Association