| Name | City | St. | Country | Clubs | Update | Map |
| Allen Central High School | Eastern | Kentucky | | | 01-01-2002 |  |
| Allen Christian School | Jamaica | New York | | | 01-01-2002 | |
| Allen County Community College | Iola | Kansas | | | 01-02-2001 | |
| Allen County High School | Scottsville | Kentucky | | | 01-01-2002 | |
| Allen D. Nease Senior High School | St. Augustine | Florida | | | 01-01-2002 | |
| Allen East High School | Lafayette | Ohio | | | 01-01-2002 | |
| Allen H S | Allen | Texas | | | 01-01-2002 | |
| Allen Park High School | Allen Park | Michigan | | | 01-01-2002 | |
| Allen-stevenson School | New York | New York | | | 01-01-2002 | |
| Allendale Academy Private Scho | Clearwater | Florida | | | 01-01-2002 | |
| Allendale Christian School | Allendale | Michigan | | | 01-01-2002 | |
| Allendale Columbia School | Rochester | New York | | | 01-01-2002 | |
| Allendale Public High School | Allendale | Michigan | | | 01-01-2002 | |
| Allendale-fairfax High School | Fairfax | South Carolina | | | 01-01-2002 | |
| Allentown Christian School | Allentown | Pennsylvania | | | 01-01-2002 | |
| Allentown High | Allentown | New Jersey | | | 01-01-2002 | |
| Alliance Academy of Toledo | Toledo | Ohio | | | 12-10-2004 | |
| Alliance Christian Schools Inc | Portsmouth | Virginia | | | 01-01-2002 | |
| Alliance High School | Alliance | Nebraska | | | 01-01-2002 | |
| Alliance High School | Alliance | Ohio | | | 01-01-2002 | |
