St John's Cathedral Catholic Primary SchoolArk Ayrton Primary Academy
Inspection, results, pupils and attendance side by side in Portsmouth.
Summary of the comparison
St John's Cathedral Catholic Primary School and Ark Ayrton Primary Academy are primary schools in Portsmouth.
St John's Cathedral Catholic Primary School scores 68 out of 100 (grade C, average) and Ark Ayrton Primary Academy scores 54 out of 100 (grade D, below average). St John's Cathedral Catholic Primary School is ahead on our composite score.
St John's Cathedral Catholic Primary School was judged Good and Ark Ayrton Primary Academy 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 83.0% for St John's Cathedral Catholic Primary School and 78.0% for Ark Ayrton Primary Academy.
The share of pupils meeting the expected standard at Key Stage 2 has risen at St John's Cathedral Catholic Primary School (77.0% in 2022-23, 83.0% in 2024-25) and has risen at Ark Ayrton Primary Academy (58.0% in 2022-23, 78.0% in 2024-25).
Side-by-side comparison
| Measure | PortsmouthSt John's Cathedral Catholic Primary School | PortsmouthArk Ayrton Primary Academy | England average |
|---|---|---|---|
| Overview | |||
| Our score | C68/100Stronger figure | D54/100 | |
| Local ranking | 1st of 45 in Portsmouth Stronger figure | 9th of 45 in Portsmouth | |
| Inspection | Ofsted: Good | Ofsted: Good | |
| School type | Voluntary aided school | Academy sponsor led | |
| Phase | Primary | Primary | |
| Age range | 3-11 | 2-11 | |
| Gender | Mixed | Mixed | |
| Pupils on roll | 234 | 501 | |
| Capacity | 210 | 510 | |
| Location | Portsmouth, PO1 1PX | Portsmouth, PO5 4LS | |
| Key Stage 2 (SATs) | |||
| Reading, writing & maths at expected standard | 83.0% Stronger figure | 78.0% | 62.0% |
| At higher standard | 13.0% Stronger figure | 5.0% | 8.0% |
| Reading average scaled score | 107.0 Stronger figure | 106.0 | 106.0 |
| Maths average scaled score | 107.0 | 107.0 | 105.0 |
| Pupils | |||
| Pupils in the census | 234 | 501 | |
| Free school meals (ever 6) | 30.1% | 63.3% | |
| English as an additional language | 56.8% | 39.1% | |
| SEN support | 11.5% | 11.2% | |
| SEN with an EHC plan | 6.0% | 4.8% | |
| Attendance | |||
| Overall absence | 3.4% Stronger figure | 6.2% | 6.2% |
| Persistent absence | 4.4% Stronger figure | 19.1% | 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 John's Cathedral Catholic Primary School
Ark Ayrton Primary Academy
Full profiles: St John's Cathedral Catholic Primary School · Ark Ayrton Primary Academy