JCoSS
🇬🇧 Official data · 2025New Barnet, London EN4 9GE · Barnet
#34 of 640 secondary schools in London
#156 of 4,090 nationally
About JCoSS
JCoSS is a local authority secondary located in New Barnet, in the Barnet local authority of London, England. It caters for Ages 11–19. In 2025 it enrolled 1,356 students. Community, voluntary-aided, voluntary-controlled and foundation schools maintained by the local authority; free to attend.
Its Success Index (England) is 93.8 out of 100, placing it in the top 5% of secondary schools in England and 34th of 640 ranked secondary schools in London. Its strongest component is community advantage (fewer pupils on free school meals) (99th percentile), and its weakest is a level points per entry (91th percentile).
Other published figures: pupils on roll 1,356; capacity filled 99.7%; grade 4+ english & maths 88.4%; ebacc average points 4.92.
There are 2 schools in New Barnet; JCoSS ranks 1st of 1 scored schools there.
Success Index (England) breakdown
Each component is a percentile against secondary schools across England.
- KS2: reading, writing & maths expected standard (35%)–
- KS2: higher standard (20%)–
- KS2: reading progress (10%)–
- KS2: maths progress (10%)–
- Progress 8 (20%)–
- Attainment 8 (30%)60.9
- Grade 5+ in English & maths (15%)76.8%
- A level points per entry (10%)43.7
- Community advantage (fewer pupils on free school meals) (15%)4.3%
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 JCoSS by the official sources.
- Pupils on roll
- 1,356
- Number of pupils in the latest school census.
- Free school meals
- 4.3%
- Percentage of pupils eligible for free school meals.
- Capacity filled
- 99.7%
- Pupils on roll as a share of the school's reported capacity.
- Attainment 8
- 60.9
- Average GCSE points across eight subjects.
- Grade 5+ English & maths
- 76.8%
- Share of pupils with a strong pass in both English and maths GCSE.
- Grade 4+ English & maths
- 88.4%
- Share of pupils with a standard pass in both English and maths GCSE.
- EBacc average points
- 4.92
- Average point score across the English Baccalaureate subjects.
- A level points per entry
- 43.7
- Average points per A level entry (A* = 60, E = 10).
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Schools near JCoSS
Closest schools by straight-line distance, with their Success Index (England).
Livingstone Primary and Nursery School
Barnet · Local authority primary · Ages 3–11
258 students · 213 m away
Cromer Road Primary School
Barnet · Local authority primary · Ages 5–11
413 students · 648 m away
Lyonsdown School
New Barnet · Independent primary · Ages 3–11
139 students · 1.2 km away
Trent CofE Primary School
Barnet · Local authority primary · Ages 5–11
210 students · 1.3 km away
Danegrove Primary School
Barnet · Local authority primary · Ages 5–11
589 students · 1.5 km away
Mount House School
Barnet · Independent secondary · Ages 11–18
225 students · 1.6 km away
East Barnet School
Barnet · Academy secondary · Ages 11–18
1,448 students · 1.7 km away
Hadley Wood Primary School
Barnet · Academy primary · Ages 4–11
· 1.7 km away
Monken Hadley CofE Primary School
Barnet · Local authority primary · Ages 4–11
147 students · 1.7 km away
St Mary's CofE Primary School, East Barnet
Barnet · Local authority primary · Ages 4–11
210 students · 1.7 km away
Similar schools
Local authority secondary schools in London with a comparable Pupils on roll.
The Latymer School
London · Local authority secondary · Ages 11–18
1,355 students
Valentines High School
Ilford · Local authority secondary · Ages 11–18
1,357 students
St Bonaventure's RC School
London · Local authority secondary · Ages 11–18
1,352 students
Eltham Hill School
London · Local authority secondary · Ages 11–19
1,350 students
All Saints Catholic School and Technology College
Dagenham · Local authority secondary · Ages 11–18
1,345 students
Eastbrook School
Dagenham · Local authority all-through · Ages 4–19
1,320 students
Frequently asked questions
Is JCoSS a good school?
JCoSS has a Success Index (England) of 93.8 out of 100 (Top 5% of secondary schools in England) and ranks #34 of 640 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 JCoSS rank in London?
JCoSS ranks #34 of 640 secondary schools in London and #156 of 4,090 nationally on the Success Index (England) (2025 data).
How many students attend JCoSS?
JCoSS had 1,356 students in 2025.
Is JCoSS a primary school or a secondary school?
JCoSS is classified as a secondary covering Ages 11–19. It is a local authority school.
What other schools are near JCoSS?
There are 10 schools within 15 km of JCoSS; they are listed on this page with their Success Index (England) and distance, and can be compared side by side.