| Name | City | State | Country | Category |
|---|---|---|---|---|
| Alexander W. Dreyfoos, Jr. School of the Arts | West Palm Beach | FL | United States | High School Jazz Program |
| Algonquin Regional High School | Northboro | MA | United States | High School Jazz Program |
| Alia Lawson Pre-College Program | Spartanburg | SC | United States | Community Music School Program |
| All Newton Music School | West Newton | MA | United States | Community Music School Program |
| Allen High School | Allen | TX | United States | High School Jazz Program |
| Aloha High | Aloha | OR | United States | High School Jazz Program |
| Alvarado High School | Alvarado | TX | United States | High School Jazz Program |
| Amadeus Music Academy | Santa Monica | CA | United States | Community Music School Program |
| Amarillo College | Amarillo | TX | United States | Collegiate Jazz Program |
| Amati Conservatory | Tenafly | NJ | United States | Community Music School Program |
| Amelia Arts Academy | Fernandina Beach | FL | United States | Community Music School Program |
| American Conservatory of Music | Hammond | IN | United States | Collegiate Jazz Program |
| American Festival for the Arts | Houston | TX | United States | Community Music School Program |
| American Music Institute, Oregon Festival of American Music | Eugene | OR | United States | Community Music School Program |
| American River College | Sacramento | CA | United States | Collegiate Jazz Program |