| St John's Catholic Primary School, Gravesend142156 | Primary | — | 18.3% | 881 |
| St John's Catholic Comprehensive118933 | Secondary | — | 26.7% | 1,322 |
| St James' Church of England Voluntary Aided Primary School118725 | Primary | — | 9.8% | 632 |
| St Helens Montessori School131567 | Not applicable | — | — | 50 |
| St Gregory's Catholic School140640 | Secondary | — | 20.2% | 1,177 |
| St Gregory's Catholic Primary School, Margate140873 | Primary | — | 34.4% | 294 |
| St Georges CofE (Aided) Primary School142372 | Primary | — | 20.8% | 389 |
| St George's Church of England Voluntary Controlled Primary School118635 | Primary | — | 21.2% | 193 |
| St George's Church of England Foundation School118919 | All-through | — | 33.3% | 1,616 |
| St Francis' Catholic Primary School, Maidstone118853 | Primary | — | 14.1% | 419 |
| St Faith's at Ash School Limited119008 | Not applicable | — | — | 239 |
| St Ethelbert's Catholic Primary School118764 | Primary | — | 37.3% | 204 |
| St Edward's Catholic Primary School141386 | Primary | — | 55.4% | 202 |
| St Edmund's School Canterbury118998 | Not applicable | — | — | 618 |
| St Edmund's Catholic School141217 | Secondary | — | 40.2% | 647 |
| St Eanswythe's Church of England Primary School139315 | Primary | — | 27.5% | 211 |
| St Crispin's Infant School152231 | Primary | — | — | — |
| St Botolph's Church of England Primary School141579 | Primary | — | 28.8% | 420 |
| St Bartholomew's Catholic Primary School, Swanley151498 | Primary | — | — | — |
| St Barnabas CofE VA Primary School118724 | Primary | — | 33.5% | 206 |
| St Augustine's Catholic Primary School144836 | Primary | — | 19.7% | 264 |
| St Augustine's Catholic Primary School149261 | Primary | — | 15.5% | 161 |
| St Augustine Academy136923 | Secondary | — | 32.9% | 736 |
| St Anthony's School119037 | Not applicable | — | 73.1% | 108 |
| St Anselm's Catholic School, Canterbury140874 | Secondary | — | 22.8% | 1,107 |
| St Anselm's Catholic Primary School118765 | Primary | — | 11.8% | 211 |
| St Alphege Church of England Infant School118659 | Primary | — | 17.5% | 206 |
| Springhead Park Primary School147850 | Primary | — | 17.0% | 412 |
| Spring Grove School 2003 Ltd118992 | Not applicable | — | — | 200 |
| Speldhurst Church of England Voluntary Aided Primary School118607 | Primary | — | 6.1% | 213 |
| Southborough CofE Primary School118712 | Primary | — | 15.5% | 621 |
| South Borough Primary School141650 | Primary | — | 26.4% | 447 |
| South Avenue Primary School140521 | Primary | — | 38.0% | 413 |
| Somerhill118960 | Not applicable | — | — | 559 |
| Solefield School118981 | Not applicable | — | — | 193 |
| Snodland CofE Primary School118846 | Primary | — | 29.0% | 404 |
| Smeeth Community Primary School118381 | Primary | — | 15.9% | 107 |
| Smarden Primary School137529 | Primary | — | 11.4% | 175 |
| Small Haven School135018 | Not applicable | — | — | 34 |
| Slade Primary School and Attached Unit for Children with Hearing Impairment118285 | Primary | — | 16.0% | 418 |
| Skinners' Temple Grove139052 | Primary | — | 54.7% | 179 |
| Skinners' Kent Primary School141085 | Primary | — | 16.2% | 210 |
| Skinners' Kent Academy135888 | Secondary | — | 29.9% | 1,035 |
| Skills for Independence and Employability Ltd146546 | Not applicable | — | — | — |
| Sissinghurst Voluntary Aided Church of England Primary School118717 | Primary | — | 23.7% | 173 |
| Sir Roger Manwood's School136501 | Secondary | — | 11.2% | 1,016 |
| Sir Geoffrey Leigh Academy135297 | Secondary | — | 26.9% | 1,335 |
| Singlewell Primary School118479 | Primary | — | 18.2% | 401 |
| Simon Langton Grammar School for Boys118884 | Secondary | — | 7.1% | 1,211 |
| Simon Langton Girls' Grammar School118840 | Secondary | — | 7.5% | 1,256 |