Clapham Primary School vs St John's Grammar School
A head-to-head comparison of two schools in South Australia, 2.5 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Clapham Primary School
Clapham · Government primary · U, R-6
243 students · ICSEA 1098
St John's Grammar School
Belair · Independent combined · R-12
1,009 students · ICSEA 1141
| Measure | Clapham Primary School Clapham SA | St John's Grammar School Belair SA |
|---|---|---|
| Success Index | 77 Top 10% | 79 Top 10% |
| State rank (type) | #11 of 348 | #7 of 145 |
| National rank (type) | #404 of 4,908 | #128 of 1,259 |
| Sector | Government | Independent |
| Type | Primary | Combined |
| Year range | U, R-6 | R-12 |
| Students | 243 | 1,009 |
| Girls / boys | 120 / 123 | 474 / 535 |
| Foundation intake | 31 | 48 |
| Year 7 cohort | – | 122 |
| Year 12 cohort | – | 93 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -10% | +30% |
| ICSEA Average 1000 | 1098 | 1141 |
| ICSEA percentile | 84th | 94th |
| Top SEA quarter | 40% | 56% |
| Bottom SEA quarter | 10% | 3% |
| Students per teacher | 13.7 | 12.3 |
| Teaching staff (FTE) | 17.8 | 81.8 |
| Non-teaching staff (FTE) | 9.4 | 41.0 |
| Language background other than English | 16% | 10% |
| Indigenous students | 3% | 0% |
| Suburb | Clapham 5062 | Belair 5052 |
| Council area | Mitcham | Mitcham |
| Remoteness | Major Cities | Major Cities |
| Website | www.claphamps.sa.edu.au/ | www.stjohns.sa.edu.au |
The verdict
- •St John's Grammar School scores higher on the Success Index (78.7 vs 76.8).
- •St John's Grammar School has the higher ICSEA (1141 vs 1098), indicating a more advantaged community.
- •St John's Grammar School has fewer students per teacher (12.3 vs 13.7).
- •St John's Grammar School is the larger school with 1,009 students compared with 243.
- •St John's Grammar School has grown faster over five years (30% vs -10%).
- •Clapham Primary School is a government school while St John's Grammar School is an independent school, so fees and enrolment rules differ.
The Success Index summarises community advantage, resourcing and momentum from ACARA data. It does not measure teaching quality, results or fit. Methodology.
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Frequently asked questions
Is Clapham Primary School better than St John's Grammar School?
On the Success Index, St John's Grammar School ranks higher (78.7 vs 76.8 out of 100). The index measures community advantage and momentum from ACARA data, not teaching quality, so visit both schools before deciding.
How far apart are Clapham Primary School and St John's Grammar School?
About 2.5 km in a straight line, between Clapham and Belair in South Australia.
Which has the better student-to-teacher ratio?
Clapham Primary School has 13.7 students per full-time-equivalent teacher and St John's Grammar School has 12.3.
How do Clapham Primary School and St John's Grammar School rank in SA?
Clapham Primary School is 11th of 348 and St John's Grammar School is 7th of 145 among primary schools in South Australia on the 2025 Success Index.