Schools
S
| Name | Category | Notes |
|---|---|---|
| St Aidan's Academy | Other private | Enniscorthy. |
| St Aidan's County High School | Comprehensive | Carlisle. |
| St Alban's Roman Catholic Comprehensive | Comprehensive | Pontypool. |
| St Albans School | Public | |
| St Aloysius College | Other private | Glasgow. |
| St Ambrose College | Grammar | Altrincham. |
| Stamford Academy | Miscellaneous | Ashton. |
| Stamford Grammar School | Grammar | |
| Stamford School | Public | |
| St Andrews College | Other private | |
| St Andrew's High School | Comprehensive | Glasgow. |
| St Andrew's School | Overseas | Independent. Nassau, The Bahamas. |
| St Andrew's Secondary School | Comprehensive | Carntyne. |
| St Angela's Providence Convent School | Independent | London. |
| Stanley Street Academy | Other private | Accrington. |
| St Anne's Roman Catholic School | Miscellaneous | Manchester. |
| St Ann's School | Unknown | Birkenhead. |
| St Anthony's School | Other private | |
| Stationers' Company School | Other private | |
| Stationers County Foundation School | Miscellaneous | |
| St Augustine of Canterbury Secondary School | Comprehensive | Merged with Gonzaga Comprehensive, reopening in March 1987 as St Thomas Becket Catholic High School. |
| St Augustine's Roman Catholic School | Comprehensive | Scarborough, North Yorkshire. |
| St Austell Sixth Form College | Sixth form college | |
| St Bartholomew's Comprehensive School | Comprehensive | Newbury. |
| St Bees | Other private |