A.G.B.U. Alexander Primary School vs Sydney Japanese International School
A head-to-head comparison of two primary schools in New South Wales, 1.3 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
A.G.B.U. Alexander Primary School
Duffys Forest · Independent primary · K-6
78 students · ICSEA 962
Sydney Japanese International School
Terrey Hills · Independent primary · K-9
190 students · ICSEA 1137
| Measure | A.G.B.U. Alexander Primary School Duffys Forest NSW | Sydney Japanese International School Terrey Hills NSW |
|---|---|---|
| Success Index | 39 Lower 50% | 85 Top 5% |
| State rank (type) | – | #5 of 1,619 |
| National rank (type) | – | #33 of 4,908 |
| Sector | Independent | Independent |
| Type | Primary | Primary |
| Year range | K-6 | K-9 |
| Students | 78 | 190 |
| Girls / boys | 37 / 41 | 101 / 89 |
| Foundation intake | 7 | 29 |
| Year 7 cohort | – | 5 |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +34% | -12% |
| ICSEA Average 1000 | 962 | 1137 |
| ICSEA percentile | 30th | 93th |
| Top SEA quarter | 5% | 60% |
| Bottom SEA quarter | 55% | 2% |
| Students per teacher | 9.1 | 6.6 |
| Teaching staff (FTE) | 8.6 | 28.8 |
| Non-teaching staff (FTE) | 7.0 | 13.2 |
| Language background other than English | 96% | 92% |
| Indigenous students | 0% | 1% |
| Suburb | Duffys Forest 2084 | Terrey Hills 2084 |
| Council area | Northern Beaches | Northern Beaches |
| Remoteness | Major Cities | Major Cities |
| Website | www.alexander.nsw.edu.au | sjis.nsw.edu.au |
The verdict
- •Sydney Japanese International School scores higher on the Success Index (85.4 vs 39.2).
- •Sydney Japanese International School has the higher ICSEA (1137 vs 962), indicating a more advantaged community.
- •Sydney Japanese International School has fewer students per teacher (6.6 vs 9.1).
- •Sydney Japanese International School is the larger school with 190 students compared with 78.
- •A.G.B.U. Alexander Primary School has grown faster over five years (34% vs -12%).
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 A.G.B.U. Alexander Primary School better than Sydney Japanese International School?
On the Success Index, Sydney Japanese International School ranks higher (85.4 vs 39.2 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 A.G.B.U. Alexander Primary School and Sydney Japanese International School?
About 1.3 km in a straight line, between Duffys Forest and Terrey Hills in New South Wales.
Which has the better student-to-teacher ratio?
A.G.B.U. Alexander Primary School has 9.1 students per full-time-equivalent teacher and Sydney Japanese International School has 6.6.
How do A.G.B.U. Alexander Primary School and Sydney Japanese International School rank in NSW?
A.G.B.U. Alexander Primary School is unranked and Sydney Japanese International School is 5th of 1,619 among primary schools in New South Wales on the 2025 Success Index.