Sir Joseph Williamson's Mathematical School
Sir Joseph Williamson's Mathematical School, Maidstone Road
Overall GCSE score:56.9
Assessment: GL Assessment
Updated for 2026 admissions cycle
The grammar schools in Medway form a genuine local cluster, yet their character is not identical to the wider Kent tradition that surrounds them. Medway's schools belong to a river-towns geography of their own, with town-to-town movement and school type giving the area a distinctive rhythm.
Top schools
Previewing the top 5 grammar schools in Medway by GCSE results. The full table ranks schools by GCSE results and adds competition level, shared test route detail, and admissions context.
Moderate competition / GL Assessment
Moderate competition / GL Assessment
Moderate competition / GL Assessment
Moderate competition / GL Assessment
Moderate competition / GL Assessment
Area map
School ranking
This table ranks schools by GCSE results. Before saving a school, check the shared test route, school-level admissions rules, Ofsted, competition level, and daily journey.
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Sir Joseph Williamson's Mathematical School, Maidstone Road
Overall GCSE score:56.9
Assessment: GL Assessment
Rochester Grammar School, Maidstone Road
Overall GCSE score:55.2
Assessment: GL Assessment
Fort Pitt Grammar School, Fort Pitt Hill
Overall GCSE score:48.3
Assessment: GL Assessment
Holcombe Grammar School, Holcombe, Maidstone Road
Overall GCSE score:39.3
Assessment: GL Assessment
Rainham Mark Grammar School, Pump Lane, Rainham
Overall GCSE score:39.1
Assessment: GL Assessment
Chatham Grammar, Rainham Road
Overall GCSE score:35.6
Assessment: GL Assessment
Shared test guide
The Medway Test guide explains the test, dates, and papers these schools share. It is the quickest way to see the shared exam details in one place.
Next checks
Open focused comparisons and guides for the routes, admissions rules, and journeys that matter in Medway.
Explore other areas
Nearby areas can share similar routes, school mix, or journey patterns while still leading to different daily choices.
57 grammar school profiles in 3 counties across South East, covering 5 local clusters in total, with local area hubs for route, admissions and journey detail.
4 grammar school profiles in Southend-on-Sea, Essex. The linked Essex (CSSE) guide covers shared test dates, downloads, and route detail.
32 grammar school profiles in Kent. The linked Kent Test guide covers shared test dates, downloads, and route detail.
4 grammar school profiles in Greater London. The linked Bexley guide covers shared test dates, downloads, and route detail.
Medway overview
6 grammar schools sit in Kent. The early filters are school type, test route, catchment or distance rules, and the ordinary weekday journey.
What stands out
Medway has six grammar schools in this ranking, concentrated around Chatham, Rochester and Rainham, with a separate local route from Kent.
School mix and route
Chatham has Chatham Grammar, Fort Pitt and Holcombe. Rochester has The Rochester Grammar School and Sir Joseph Williamson's Mathematical School. Rainham Mark Grammar School is the co-educational route, so the school mix changes noticeably by town.
Area shape
Medway is a compact local area. The main differences here are school type, test route, catchment, and how competitive each school is.
Local school cluster
Sir Joseph Williamson's Mathematical School, The Rochester Grammar School, Fort Pitt Grammar School, and 3 more schools sit close together in one compact cluster with boys', girls', and co-ed options.
School mix
The area includes boys' schools, girls' schools, and one co-ed option.
Shared route
The schools here all sit in the Medway Test route, so the shared exam picture is easier to follow than in areas where every school tests differently.
Admissions
Catchment rules vary between schools. Competition varies noticeably across the area.
FAQ
Medway grammar schools are mainly concentrated around Rochester, Chatham, and Rainham, which keeps the area much more compact than a large county ranking.
Medway includes boys' schools, girls' schools and one co-educational grammar school, so school type is one of the first useful filters.
Yes. Medway is its own local selective cluster with its own route and school group, even though families often compare it alongside nearby parts of Kent.
Rainham Mark Grammar School is the co-educational grammar school in the Medway group.