St Mary's Island Church of England (Aided) Primary SchoolChattenden Primary School
Inspection, results, pupils and attendance side by side.
Summary of the comparison
St Mary's Island Church of England (Aided) Primary School and Chattenden Primary School are primary schools.
St Mary's Island Church of England (Aided) Primary School scores 53 out of 100 (grade D, below average) and Chattenden Primary School scores 47 out of 100 (grade D, below average). St Mary's Island Church of England (Aided) Primary School is ahead on our composite score.
St Mary's Island Church of England (Aided) Primary School was judged Good and Chattenden Primary School was judged Good.
On the share of pupils meeting the expected standard in reading, writing and maths at Key Stage 2, the latest published figures are 71.0% for St Mary's Island Church of England (Aided) Primary School and 69.0% for Chattenden Primary School.
The share of pupils meeting the expected standard at Key Stage 2 has risen at St Mary's Island Church of England (Aided) Primary School (64.0% in 2022-23, 71.0% in 2024-25) and has risen at Chattenden Primary School (42.0% in 2022-23, 69.0% in 2024-25).
Side-by-side comparison
| Measure | ChathamSt Mary's Island Church of England (Aided) Primary School | RochesterChattenden Primary School | England average |
|---|---|---|---|
| Overview | |||
| Our score | D53/100Stronger figure | D47/100 | |
| Local ranking | 25th of 73 in Medway Stronger figure | 40th of 73 in Medway | |
| Inspection | Ofsted: Good | Ofsted: Good | |
| School type | Voluntary aided school | Academy converter | |
| Phase | Primary | Primary | |
| Age range | 3-11 | 4-11 | |
| Gender | Mixed | Mixed | |
| Pupils on roll | 674 | 208 | |
| Capacity | 630 | 210 | |
| Location | Chatham, ME4 3ST | Rochester, ME3 8LF | |
| Key Stage 2 (SATs) | |||
| Reading, writing & maths at expected standard | 71.0% Stronger figure | 69.0% | 62.0% |
| At higher standard | 10.0% Stronger figure | 6.0% | 8.0% |
| Reading average scaled score | 107.0 Stronger figure | 104.0 | 106.0 |
| Maths average scaled score | 107.0 Stronger figure | 105.0 | 105.0 |
| Pupils | |||
| Pupils in the census | 674 | 208 | |
| Free school meals (ever 6) | 12.8% | 34.6% | |
| English as an additional language | 27.4% | 7.7% | |
| SEN support | 15.1% | 14.9% | |
| SEN with an EHC plan | 1.0% | 1.9% | |
| Attendance | |||
| Overall absence | 5.8% Stronger figure | 7.5% | 6.2% |
| Persistent absence | 14.2% Stronger figure | 26.5% | 15.8% |
marks the stronger figure on measures with a clear direction. Rows describing a school's intake, such as free school meals, English as an additional language and SEN, carry no marker: they describe who a school serves, not how well it serves them.
Historical trends
Each solid line is one school; the dashed line is the national average.
KS2: expected standard in reading, writing and maths
Overall absence
Free school meal eligibility (ever 6)
Pupils on roll
Ethnicity over time
One panel per school: the largest groups across this comparison, one colour per group, on a shared scale.
St Mary's Island Church of England (Aided) Primary School
Chattenden Primary School
Full profiles: St Mary's Island Church of England (Aided) Primary School · Chattenden Primary School