| 2026 | Harrow | Unclear which stage this counts | 1 | Record: Harrow, 2026, Unclear which stage this counts |
|---|
| 2025 | SPGS | Destinations (where leavers went) | 1 | Record: SPGS, 2025, Destinations (where leavers went) |
|---|
| 2024 | Latymer Upper | Unclear which stage this counts | 1 | Record: Latymer Upper, 2024, Unclear which stage this counts |
|---|
| 2023 | Latymer Upper | Unclear which stage this counts | 2 | Record: Latymer Upper, 2023, Unclear which stage this counts |
|---|
| 2023 | SPGS | Destinations (where leavers went) | 1 | Record: SPGS, 2023, Destinations (where leavers went) |
|---|
| 2022 | Latymer Upper | Unclear which stage this counts | 1 | Record: Latymer Upper, 2022, Unclear which stage this counts |
|---|
| 2019 | Latymer Upper | Unclear which stage this counts | 1 | Record: Latymer Upper, 2019, Unclear which stage this counts |
|---|
| 2019 | NLCS | Destinations (where leavers went) | 1 | Record: NLCS, 2019, Destinations (where leavers went) |
|---|
| 2016 | St Mary’s Ascot | Unclear which stage this counts | no count | Record: St Mary’s Ascot, 2016, Unclear which stage this counts |
|---|
| 2016 | St Paul’s | Destinations (where leavers went) | 1 | Record: St Paul’s, 2016, Destinations (where leavers went) |
|---|
| 2015 | St Paul’s | Unclear which stage this counts | 1 | Record: St Paul’s, 2015, Unclear which stage this counts |
|---|
| 2010 | City of London | Unclear which stage this counts | 2 | Record: City of London, 2010, Unclear which stage this counts |
|---|
| 2009 | Radley | Unclear which stage this counts | no count | Record: Radley, 2009, Unclear which stage this counts |
|---|
| 2009 | St Paul’s | Destinations (where leavers went) | 1 | Record: St Paul’s, 2009, Destinations (where leavers went) |
|---|
| 2009 | St Paul’s | Destinations (where leavers went) | 1 | Record: St Paul’s, 2009, Destinations (where leavers went) |
|---|
| 1999–2004 | Harrow | Destinations (where leavers went) | 4 | Record: Harrow, No single year, Destinations (where leavers went) |
|---|
| 1999–2005 | Harrow | Destinations (where leavers went) | 5 | Record: Harrow, No single year, Destinations (where leavers went) |
|---|
| 1999–2006 | Harrow | Destinations (where leavers went) | 5 | Record: Harrow, No single year, Destinations (where leavers went) |
|---|
| No single year | Latymer Upper | Unclear which stage this counts | 3 | Record: Latymer Upper, No single year, Unclear which stage this counts |