| 501 | Simon de Senlis Primary School | Outstanding | Academy · Day | Northampton, East Midlands | Outstanding |
| 502 | Singlegate Primary School | Outstanding | State · Day | London, London | Outstanding |
| 503 | Sir John Barrow School | Outstanding | State · Day | Ulverston, North West | Outstanding |
| 504 | Smithdown Primary School | Outstanding | State · Day | Liverpool, North West | Outstanding |
| 505 | Sneinton St Stephen's CofE Primary School | Outstanding | Academy · Day | Nottingham, East Midlands | Outstanding |
| 506 | Solebay Primary - A Paradigm Academy | Outstanding | Free School · Day | London, London | Outstanding |
| 507 | Somersham Primary School | Outstanding | Academy · Day | Somersham, East of England | Outstanding |
| 508 | South Farnham School | Outstanding | Academy · Day | Farnham, South East | Outstanding |
| 509 | Southfield Primary School | Outstanding | State · Day | London, London | Outstanding |
| 510 | South Harringay Junior School | Outstanding | State · Day | London, London | Outstanding |
| 511 | Southwold Primary School | Outstanding | State · Day | Hackney, London | Outstanding |
| 512 | Sparhawk Infant School & Nursery | Outstanding | State · Day | Norwich, East of England | Outstanding |
| 513 | Spring Cottage Primary School | Outstanding | Academy · Day | Hull, Yorkshire and the Humber | Outstanding |
| 514 | Springfield Community Primary School | Outstanding | State · Day | London, London | Outstanding |
| 515 | Springfield Primary School | Outstanding | State · Day | Sale, North West | Outstanding |
| 516 | Springhill Catholic Primary School | Outstanding | Academy · Day | Southampton, South East | Outstanding |
| 517 | Spring Vale Primary School | Outstanding | Academy · Day | Wolverhampton, West Midlands | Outstanding |
| 518 | St Agnes Academy | Outstanding | Academy · Day | St Agnes, South West | Outstanding |
| 519 | St Agnes' Catholic Primary School | Outstanding | State · Day | London, London | Outstanding |
| 520 | St Agnes RC Primary School | Outstanding | State · Day | London, London | Outstanding |
| 521 | St Aidan's Voluntary Controlled Primary School | Outstanding | State · Day | London, London | Outstanding |
| 522 | St Alban's Catholic Primary School | Outstanding | Academy · Day | East Molesey, South East | Outstanding |
| 523 | St Aloysius Catholic Junior School Academy | Outstanding | Academy · Day | Hebburn, North East | Outstanding |
| 524 | Standish St Wilfrid's Church of England Primary Academy | Outstanding | Academy · Day | Wigan, North West | Outstanding |
| 525 | St Andrew's and St Mark's CofE Junior School | Outstanding | State · Day | Surbiton, London | Outstanding |