Grimsdyke School
#150 of 1,720 primary schools in London
#1000 of 15,697 nationally
About Grimsdyke School
Grimsdyke School is a local authority primary located in Pinner, in the Harrow local authority of London, England. It caters for Ages 4–11. In 2025 it enrolled 625 students. Community, voluntary-aided, voluntary-controlled and foundation schools maintained by the local authority; free to attend.
Its Success Index (England) is 88.3 out of 100, placing it in the top 10% of primary schools in England and 150th of 1,720 ranked primary schools in London. Its strongest component is ks2: reading, writing & maths expected standard (95th percentile), and its weakest is ks2: higher standard (74th percentile).
Other published figures: pupils on roll 625; capacity filled 99.2%.
There are 14 schools in Pinner; Grimsdyke School ranks 3rd of 11 scored schools there.
Success Index (England) breakdown
Each component is a percentile against primary schools across England.
- KS2: reading, writing & maths expected standard (35%)87%
- KS2: higher standard (20%)12%
- KS2: reading progress (10%)–
- KS2: maths progress (10%)–
- Progress 8 (20%)–
- Attainment 8 (30%)–
- Grade 5+ in English & maths (15%)–
- A level points per entry (10%)–
- Community advantage (fewer pupils on free school meals) (15%)6.7%
The Success Index (England) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Grimsdyke School by the official sources.
- Pupils on roll
- 625
- Number of pupils in the latest school census.
- Free school meals
- 6.7%
- Percentage of pupils eligible for free school meals.
- Capacity filled
- 99.2%
- Pupils on roll as a share of the school's reported capacity.
- KS2 expected standard (RWM)
- 87%
- Share of pupils meeting the expected standard in reading, writing and maths.
- KS2 higher standard (RWM)
- 12%
- Share of pupils reaching the higher standard in reading, writing and maths.
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Schools near Grimsdyke School
Closest schools by straight-line distance, with their Success Index (England).
Woodhall Primary School
Watford · Local authority primary · Ages 3–11
76 students · 1.1 km away
Greenfields Primary School
Watford · Local authority primary · Ages 3–11
212 students · 1.4 km away
Hatch End High School
Harrow · Academy secondary · Ages 11–18
1,226 students · 1.5 km away
Pinner Wood School
Pinner · Local authority primary · Ages 3–11
681 students · 1.7 km away
St Teresa's Catholic Primary School and Nursery
Harrow · Local authority primary · Ages 3–11
428 students · 1.7 km away
Oxhey Wood Primary School
Watford · Academy primary · Ages 3–11
387 students · 1.8 km away
St Meryl School
Watford · Local authority primary · Ages 3–11
219 students · 1.8 km away
Cedars Manor School
Harrow · Local authority primary · Ages 3–11
339 students · 1.8 km away
St John's School
Pinner · Independent primary · Ages 3–11
266 students · 2.0 km away
Warren Dell Primary School
Watford · Academy primary · Ages 2–11
264 students · 2.1 km away
Similar schools
Local authority primary schools in London with a comparable Pupils on roll.
Gordonbrock Primary School
Brockley · Local authority primary · Ages 3–11
626 students
John Perry Primary School
Dagenham · Local authority primary · Ages 3–11
626 students
Salusbury Primary School
London · Local authority primary · Ages 3–11
626 students
Ridgeway Primary School
South Croydon · Local authority primary · Ages 3–11
626 students
The Orchard Primary School
Hounslow · Local authority primary · Ages 3–11
624 students
Colham Manor Primary School
Uxbridge · Local authority primary · Ages 2–11
627 students
Frequently asked questions
Is Grimsdyke School a good school?
Grimsdyke School has a Success Index (England) of 88.3 out of 100 (Top 10% of primary schools in England) and ranks #150 of 1,720 in London. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Grimsdyke School rank in London?
Grimsdyke School ranks #150 of 1,720 primary schools in London and #1000 of 15,697 nationally on the Success Index (England) (2025 data).
How many students attend Grimsdyke School?
Grimsdyke School had 625 students in 2025.
Is Grimsdyke School a primary school or a secondary school?
Grimsdyke School is classified as a primary covering Ages 4–11. It is a local authority school.
What other schools are near Grimsdyke School?
There are 10 schools within 15 km of Grimsdyke School; they are listed on this page with their Success Index (England) and distance, and can be compared side by side.