Schools
| Name |
Category |
Notes |
| Amery Hill School, Alton |
Comprehensive |
|
| Ammanford Grammar School |
Grammar |
|
| Ammanford School |
Other private |
|
| Ampleforth College |
Public |
|
| Anderson Institute, Lerwick |
Miscellaneous |
|
| Andrew Cairns Secondary Modern, Littlehampton |
Secondary Modern |
|
| Annadale Grammar School |
Grammar |
|
| Annan Academy |
Miscellaneous |
|
| Anniesland College, Glasgow |
FE college |
|
| Appleby Grammar School, Westmorland |
Grammar |
|
| Apsley Grammar School, Hemel Hempstead |
Grammar |
|
| Arbroath High School |
Grammar |
|
| Archbishop Holgate's Grammar School, Barnsley |
Grammar |
|
| Archbishop Holgate's Grammar School, York |
Public |
|
| Ardingly |
Public |
|
| Ardingly College, Brighton |
Other private |
|
| Ardrossan Academy |
Grammar |
|
| Ardwyn Grammar School, Aberystwyth |
Grammar |
|
| Armagh Royal School |
Other private |
|
| Armstrong College, Newcastle-upon-Tyne |
Other private |
|