| Key dates for 11+ entry in September 2026 |
| 11+ registration deadline | Saturday 1 November 2025 |
| 11+ application deadline for music scholarship | Tuesday 4 November 2025 |
| 11+ online assessment at GHS (all 11+ applicants) | Sunday 16 November 2025 |
| 11+ interview day at GHS (all 11+ applicants) | Friday 9 January 2026 |
| 11+ music scholarship auditions | Tuesday 13 January 2026 |
| Key dates for 16+ entry in September 2026 |
| 16+ Sixth Form Open Evening | Wednesday 17 September 2025 |
| 16+ registration deadline | Wednesday 1 October 2025 |
| 16+ application deadline for music scholarship | Monday 6 October 2025 |
| 16 + entrance assessment | Wednesday 5 November 2025 |
| 16+ music scholarship auditions | Friday 7 November 2025 |
| Key dates for all other Senior School entry points in September 2026 |
| Registration deadline | Saturday 1 November 2025 |
| Senior School Occasional Place Entrance assessment | Friday 9 January 2026 |
