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Academy11+

Kent grammar school

Sir Joseph Williamson's Mathematical School

Maidstone Road, Rochester, Kent ME1 3EL

RankRanked #100Boys schoolMedway Test01634 844008

Last checked 15 October 2026 · Source: DfE GIAS

Visit school website(opens in a new tab)
Who can apply
Boys
Entrance test
Medway Test
Papers by
GL Assessment
Ranking (GCSE)
#100

Sir Joseph Williamson's Mathematical School at a glance

Entrance test
Medway Test
Papers by GL Assessment

For September 2028 entry · children now in Year 5

Registration opens
Not confirmed yet
Usually opens in the spring/summer before the test. We'll show the date once the organiser publishes it.
Registration closes
Not confirmed yet
Test day
Not confirmed yet
Results
Not confirmed yet
National Offer Day
1 March 2028

September 2027 entry · children now in Year 6

Results
14 October 2026(passed)
Apply to your council by
31 October 2026
National Offer Day
1 March 2027

Dates and scores are shown only once we've checked them against the official admissions information. Always confirm with the test organiser before you rely on them.

Key dates

For September 2028 entry · children now in Year 5

  • Not confirmed yet

    Registration opens

    Usually opens in the spring/summer before the test. We'll show the date once the organiser publishes it.

  • Not confirmed yet

    Registration closes

  • Not confirmed yet

    Test day

  • Not confirmed yet

    Results

National dates for England

  1. 31 October 2027

    Secondary school application deadlineNext

    Apply through your local council, listing the grammar schools you want.

  2. 1 March 2028

    National Offer Day

    Councils tell families which secondary school place they have been offered.

Add these dates to your calendar

The Medway Test dates for this year haven't been confirmed on our site yet — see the official Medway Council page(opens in a new tab).

See the typical 11+ timeline

September 2027 entry · children now in Year 6

Test day
15 September 2026(passed)
Results
14 October 2026(passed)
Apply to your council by
31 October 2026
National Offer Day
1 March 2027

See open days and how to apply

Prepare for Sir Joseph Williamson's Mathematical School

Practice matched to the GL Assessment papers this school's test uses.

GL Assessment paper packs

Timed practice papers with marking and a report on what to work on next.

Browse paper packs

Next mock exam

GL mock day — Autumn 2026 (Year 5)

Year 5 GL mock season 2026–27

Dates to be confirmed

See the sitting

Free sample paper

Every child gets a free sample paper in each subject with a free parent account, with a report and an estimated standardised score.

Try a free sample paper

Study guides

All study guides

About Sir Joseph Williamson's Mathematical School

Sir Joseph Williamson's Mathematical School, known locally as 'the Math', is a boys' grammar school in Rochester with over 1500 students on roll. It admits girls in the Sixth Form and became an Academy in April 2011. The school describes its ethos as "traditional values with cutting edge practices" and says it is regularly oversubscribed.

The entrance test

Children applying for Year 7 sit the Medway Test, run by Medway Council.

Papers by: GL Assessment.

Checked against the official admissions information. What the exam boards mean

Our guide to the Medway Test: format, dates and other schools that use it →

Catchment area

Kent area with boys entry

Catchment rules can change each year. The school's admissions policy has the final word.

School results2024/25

RankRanked #100
Ranking (England)
Among English grammar schools, by GCSE Attainment 8
See all rankings
GCSE Attainment 8
69.5 out of 90
93.5% got grade 5+ in English and maths
A level points per entry
42.3(B+ average)

Source: DfE school performance tables, 2024/25. Results reflect who a school admits as well as its teaching. See all grammar school rankings and how they work

More about the 11+ in MedwayEvery test, grammar school and key date in the area

Other schools that use the Medway Test

Grammar schools near Rochester

Other grammar schools in Kent

Common questions

Which 11+ test does Sir Joseph Williamson's Mathematical School use?
Children applying for Year 7 at Sir Joseph Williamson's Mathematical School sit the Medway Test, run by Medway Council.
What format is the Medway Test?
The Medway Test papers are written by GL Assessment. The subjects, timings and question types are set for each test, so check the official familiarisation material for the exact format.
Is Sir Joseph Williamson's Mathematical School for boys or girls?
Sir Joseph Williamson's Mathematical School admits boys into Year 7.
When is the Medway Test for 2027 entry?
The Medway Test for September 2027 entry is on 15 September 2026. Registration closes on 12 June 2026.
When are the Medway Test results for 2027 entry?
Results for September 2027 entry are sent to families on 14 October 2026.
How can my child prepare for the Sir Joseph Williamson's Mathematical School 11+?
The Medway Test papers are written by GL Assessment, so practise with papers in that style under timed conditions. On Academy11+ you'll find GL Assessment mock exams and a free sample paper, with a report on what to work on next.
Where is Sir Joseph Williamson's Mathematical School?
Sir Joseph Williamson's Mathematical School is at Maidstone Road, Rochester, Kent ME1 3EL.

Location

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Maidstone Road, Rochester, Kent ME1 3EL

Next steps