01 ·
Admissions and assessment
Selective entry
Sir Joseph Williamson's Mathematical School is a state grammar school in Rochester, Kent. The Get Information about Schools register records its admissions policy as Selective.
It admits boys aged 11-18 and has a sixth form. It does not board pupils. Records show 1,555 pupils against a published capacity of 1,280 places; it was founded in 1701.
Confirm the current entry age, assessment provider, test subjects, registration dates and qualifying score with the school or admissions authority.
Admissions source record →02 ·
History
Founded 1701
Wikidata records an inception date of 1701 for the current Sir Joseph Williamson's Mathematical School entity. Academy conversions and mergers can reset this date, so verify the school's historical foundation year before publication.
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Location
04 ·
Data and verification
| Source register | https://get-information-schools.service.gov.uk/Downloads |
|---|---|
| Data extract | England core fields from the daily GIAS all-establishments extract dated 17 September 2026. |
| Last verified | 2026-09-17 |
| Coordinate source | Postcode centroid |
| Official ID | URN 136662 |
| Verification status | Core register fields verified |