School Profile

Sir Joseph Williamson's Mathematical School

Prototype detail page showing how we combine profile fields with evidence-backed destination rows.

South EastDayGrammarBoysOfsted OutstandingSixth Form

Profile Notes

Sir Joseph Williamson's Mathematical School is a grammar school offering secondary education for ages 11-18 (boys) in Rochester, South East. Currently has 1,528 pupils on roll and a sixth form. Religious affiliation: None. Admissions policy: Selective. (auto-generated from GIAS metadata; the school may have a fuller profile on its website)

Rochester • ME1 3EL • National Curriculum

1,528 pupils (119% of 1,280 capacity) • 1,422 boys / 106 girls

Official URN 136662 • LAESTAB 8874530

www.sjwms.org.uk

Official Registration

StatusOpen

PhaseSecondary

Establishment typeAcademy converter

Statutory age11 - 18

Opened 01-04-2011 • Closed Still active

Destination Snapshot

Inspection & quality signals

Ofsted

Outstanding

Last inspected 2023-03-21

Historical Links

No predecessor or successor relationship was found for this school in the current GIAS extract.

Evidence Trail

Government performance dataDfE EES • latest 2024/25

A Level2024/25 • 221 students

Avg points / entry42.30

% achieving AAB+27.6%

GCSE / KS42024/25

Attainment 869.5

EBacc avg points6.82

Eng & Maths 5+93.5%

Source: UK Department for Education — Explore Education Statistics. Independent schools that teach IGCSEs, Pre-U or the IB are NOT counted in standard GCSE league tables; their KS4 figures appear low for that reason.

Official Performance Snapshot

202425 • Academicz

Students 18 • APS 37.5 • Value added -0.27

202425 • Academicz

Students 202 • APS 42.86 • Value added 0.23

202425 • AcademicAbove average

Students 221 • APS 42.3 • Value added 0.19

202425 • A levelz

Students 18 • APS 37.59 • Value added -0.26

202425 • A levelz

Students 202 • APS 42.87 • Value added 0.24

202425 • A levelAbove average

Students 221 • APS 42.32 • Value added 0.2