| A. Mac Arthur Barr Middle School | Nanuet, NY | 5-8 | Public School | | ACCREDITED |
| Aaron School | New York, NY | K-12 | Non-denominational Independent School | | ACCREDITED |
| ABA-An IB World School | Sultanate of Oman | PK4-12 | Non-denominational Independent School | | ACCREDITED |
| Abington Friends School | Jenkintown, PA | PK4-12 | Religious Denomination School | Quaker | ACCREDITED |
| Abington Senior High School | Abington, PA | 10-12 | Public School | | ACCREDITED |
| Abqaiq School | Saudi Arabia | PK-9 | Non-denominational Independent School | | ACCREDITED |
| Abraham Clark High School | Roselle, NJ | 9-12 | Public School | | ACCREDITED |
| Abraham Lincoln High School | Philadelphia, PA | 9-12 | Public School | | ACCREDITED |
| Abraxas Youth Center | South Mountain, PA | 6-12 | Non-denominational Independent School | | ACCREDITED |
| Abundant Life Academy | Nutley, NJ | K-6 | Religious Denomination School | | ACCREDITED |
| Academia Bautista de Puerto Nuevo | Caparra Heights, PR | K-12 | Religious Denomination School | | ACCREDITED |
| Academia Claret | Bayamon, PR | PK-8 | Religious Denomination School | | ACCREDITED |
| Academia Cristo de los Milagros | Caguas, PR | PPK-12 | Non-denominational Independent School | | ACCREDITED |
| Academia Cristo Rey, Inc. | Ponce, PR | PK4-12 | Religious Denomination School | Catholic | ACCREDITED |
| Academia del Carmen | Carolina, PR | PK3-8 | Religious Denomination School | | ACCREDITED |
| Academia del Espiritu Santo | Toa Baja, PR | K-12 | Religious Denomination School | Catholic | ACCREDITED |
| Academia del Perpetuo Socorro | San Juan, PR | K-12 | Religious Denomination School | Catholic | ACCREDITED |
| Academia Discipulos de Cristo | Bayamon, PR | K-12 | Religious Denomination School | Christian | ACCREDITED |
| Academia La Milagrosa | Cayey, PR | PK4-12 | Non-denominational Independent School | | ACCREDITED |
| Academia Maria Reina | San Juan, PR | 7-12 | Religious Denomination School | Catholic | ACCREDITED |
| Academia Nuestra Se?ora De La Providencia | San Juan, PR | PK4-12 | Religious Denomination School | Catholic | ACCREDITED |
| Academia San Ignacio de Loyola | San Juan, PR | PK-6 | Religious Denomination School | | ACCREDITED |
| Academia San Jose Elementary School | Guaynabo, PR | K-6 | Religious Denomination School | | ACCREDITED |
| Academia San Jose High School | Guaynabo, PR | 7-12 | Religious Denomination School | Catholic | ACCREDITED |
| Academia Santa Maria del Camino | Bayamon, PR | PK-8 | Religious Denomination School | | ACCREDITED |
| Academia Santa Maria Reina | Ponce, PR | PK4-12 | Religious Denomination School | Catholic | ACCREDITED |
| Academia Santa Monica | San Juan, PR | K-12 | Religious Denomination School | Catholic | ACCREDITED |
| Academia Santa Rosa | Bayamón, PR | PK4-8 | Religious Denomination School | | ACCREDITED |
| Academia Santa Teresita, Inc. | Naranjito, PR | PK4-12 | Non-denominational Independent School | | ACCREDITED |
| Academia Santo Tomas de Aquino | Bayamon, PR | K-12 | Religious Denomination School | Catholic | ACCREDITED |