JCoSS

State-Funded School

jcoss-barnet-london

LondonRegion

BarnetLocal Authority

Chipping BarnetConstituency

EN4 9GEPostcode

8.7

Academic Performance

Ofsted

About the School

JCoSS is a state-funded secondary for pupils aged 11–19, located in Barnet, London.

The school is rated Good by Ofsted. It currently serves 1,356 pupils.

Ofsted Rating

Safeguarding effective

Yes

Rating last maintained

2023

Subject Areas

Leadership &management

Good

Quality ofeducation

Good

Personaldevelopment

Outstanding

Behaviour &attitudes

Outstanding

Sixth formprovision

Outstanding

Academic Performance

Well above average

Ranked against secondary schools in England · 2024-25

Attainment 8: 60.9
Grade 5+ in English & maths: 76.8%
EBacc average point score: 4.92

Ethnicity

White

93%

Asian

<1%

Black

<1%

Mixed

Any other group

<1%

Unclassified

<1%

Pupils

1,356

Total Pupils

52%Boys

48%Girls

Pupil Characteristics

Free school meals

England average

27%

First language not English

20%

England average

22%

Young carers

England average

0%25%50%75%100%

DfE school census, January 2026.

Key Information

Phase: Secondary
Age range: 11 – 19
Deprivation band: Least deprived
Total pupils: 1,356
IDACI quintile: 1 (Most deprived)

Inspection history

2 graded inspections published by Ofsted. Ungraded and monitoring visits are not shown.

Report published					Overall
9 Jan 2023	Good	Good	Outstanding	Outstanding	Good
8 Jan 2016	Good	Not reported in this inspection	Not reported in this inspection	Not reported in this inspection	Good

A grey dot means Ofsted did not report that judgement in the inspection of the day — the sub-judgements shown here were introduced with the 2019 framework.

Ofsted data as at 31 December 2024. A school may have been inspected since, or had an ungraded visit that does not change its grade — check Ofsted’s own record.