
Watford, Hertfordshire · WD25 8NL
Edge Grove is a well-established independent co-educational prep school serving ages 3–13 across 48 acres of Hertfordshire countryside near North London. Founded in 1935, it emphasises child-centred learning, creativity and confidence-building alongside academic rigour. The school has recently passed ISI inspection (January 2026) across all standards, reflecting its commitment to pupil wellbeing and educational quality.
Who thrives here
Families seeking a nurturing, inclusive environment where academic ambition is balanced with creativity, outdoor learning and emotional development. Pupils who benefit from space, greenery and a lower-pressure approach to early years and junior school thrive here.
Percentiles within UK independent + grammar schools we track.
High Cross, Aldenham
Watford, Hertfordshire
WD25 8NL
Nearest stations
Day fees at Edge Grove School are approximately £26,478 per year (2026/27).
Edge Grove School admits pupils at 3+, 4+, 7+, 8+, 11+, 13+. Entry is assessed by 11+ Selective Examination. See the Admissions section above for open days and key dates.
Edge Grove School is a day school in Watford and does not offer boarding.
ISI rated Edge Grove School “Excellent” (2023).
Frequently praised
✓Nurturing, child-centred approach to early years and junior school
✓Strong pastoral care and wellbeing focus with dedicated therapeutic and nursing support
✓Expansive grounds and outdoor learning opportunities unusual for day preps
✓Inclusive, warm community ethos emphasising confidence and creativity
Common concerns
!Limited transparency on academic progress tracking and senior school placement destinations
!ISI inspection framework only recently completed (January 2026); limited historical track record under new standards