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Compare Sir Joseph Williamson's Mathematical School against other grammar schools
~120
Places per year
Outstanding
Ofsted rating
Rochester
Location
Boys only
Admissions
11+ Entry — How it works
Exam board
GL Assessment
Consortium
Medway Test
Pass mark
~209/280
Exam month
September
Registration opens
May/June
Offer day
1st March
Subjects tested
EnglishMathsVerbal ReasoningNon-Verbal Reasoning
Separate from Kent despite geographic proximity. Scoring scale is 0-280, not standard SAS. One test shared across all 6 Medway grammar schools.