Sir Joseph Williamson's Mathematical School
Rochester, Kent · ME1 3EL
Sir Joseph Williamson's Mathematical School is a highly selective boys' grammar school in Rochester with over 1,500 pupils, admitting girls in the Sixth Form. A designated National Teaching School and lead for the Thames Gateway Teaching School Hub, it combines traditional grammar values with modern pedagogy and holds Ofsted 'outstanding' status across all areas. The school has a strong mathematical specialism and enjoys considerable local prestige and oversubscription.
- →Selective grammar entry with proven strong academic outcomes (56% GCSE grades 7–9, 57% A-level A–A*)
- →National Teaching School status and designation as a National Support School, indicating educational leadership
- →Lead role in Kent & Medway Maths Hub (one of 40 national hubs) reflecting subject excellence
- →Established boys' grammar tradition with coeducational Sixth Form, popular and oversubscribed
Who thrives here
Academically able boys who perform well in selective entrance assessments and thrive in a rigorous grammar environment; girls aiming for strong post-16 study in a selective cohort.
Strengths at a glance
Percentiles within UK independent + grammar schools we track.
At a glance
Contact & visit
Maidstone Road
Rochester, Kent
ME1 3EL
Nearest stations
Frequently asked questions
How much does Sir Joseph Williamson's Mathematical School cost?
Sir Joseph Williamson's Mathematical School is a state grammar school, so there are no tuition fees — places are free and allocated by the 11-plus exam and the school’s admissions criteria.
How do you get into Sir Joseph Williamson's Mathematical School?
Sir Joseph Williamson's Mathematical School admits pupils at 11+, 13+, 16+. Entry is assessed by 11+ Selective Examination. See the Admissions section above for open days and key dates.
What are Sir Joseph Williamson's Mathematical School's exam results?
At Sir Joseph Williamson's Mathematical School, 27.6% of A-levels were graded A*–B and 53.8% of GCSEs were grade 7/A or above. Full results are in the Results section above.
Is Sir Joseph Williamson's Mathematical School a boarding school?
Sir Joseph Williamson's Mathematical School is a day school in Rochester and does not offer boarding.
What is Sir Joseph Williamson's Mathematical School's latest inspection rating?
Ofsted rated Sir Joseph Williamson's Mathematical School “Outstanding” (2023).
What parents say
Frequently praised
✓Strong academic outcomes and selective entry standards attracting able cohort
✓National Teaching School leadership and Maths Hub specialism reflect educational excellence
✓Inclusive pastoral approach with wellbeing focus despite academic rigour
✓Local reputation and oversubscription indicating high parental confidence
Common concerns
!Single-sex for lower school may limit mixed-gender peer interaction until Sixth Form
!Selective grammar entry barrier excludes non-assessment-skilled pupils regardless of potential
!Limited public detail on co-curricular breadth (sport, music, drama facilities and offer not highlighted)