A.G.B.U. Alexander Primary School vs Ku-ring-gai High School
A head-to-head comparison of two schools in New South Wales, 3.5 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
Ku-ring-gai High School
North Turramurra · Government high school · 7-12
536 students · ICSEA 1088
| Measure | A.G.B.U. Alexander Primary School Duffys Forest NSW | Ku-ring-gai High School North Turramurra NSW |
|---|---|---|
| Success Index | 39 Lower 50% | 79 Top 10% |
| State rank (type) | – | #28 of 539 |
| National rank (type) | – | #86 of 1,472 |
| Sector | Independent | Government |
| Type | Primary | Secondary |
| Year range | K-6 | 7-12 |
| Students | 78 | 536 |
| Girls / boys | 37 / 41 | 210 / 326 |
| Foundation intake | 7 | – |
| Year 7 cohort | – | 100 |
| Year 12 cohort | – | 67 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +34% | -7% |
| ICSEA Average 1000 | 962 | 1088 |
| ICSEA percentile | 30th | 81th |
| Top SEA quarter | 5% | 34% |
| Bottom SEA quarter | 55% | 8% |
| Students per teacher | 9.1 | 10.6 |
| Teaching staff (FTE) | 8.6 | 50.3 |
| Non-teaching staff (FTE) | 7.0 | 12.5 |
| Language background other than English | 96% | 39% |
| Indigenous students | 0% | 2% |
| Suburb | Duffys Forest 2084 | North Turramurra 2074 |
| Council area | Northern Beaches | Ku-ring-gai |
| Remoteness | Major Cities | Major Cities |
| Website | www.alexander.nsw.edu.au | kuringgai-h.schools.nsw.gov.au |
The verdict
- •Ku-ring-gai High School scores higher on the Success Index (79.0 vs 39.2).
- •Ku-ring-gai High School has the higher ICSEA (1088 vs 962), indicating a more advantaged community.
- •A.G.B.U. Alexander Primary School has fewer students per teacher (9.1 vs 10.6).
- •Ku-ring-gai High School is the larger school with 536 students compared with 78.
- •A.G.B.U. Alexander Primary School has grown faster over five years (34% vs -7%).
- •A.G.B.U. Alexander Primary School is a independent school while Ku-ring-gai High School is a government 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 A.G.B.U. Alexander Primary School better than Ku-ring-gai High School?
On the Success Index, Ku-ring-gai High School ranks higher (79.0 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 Ku-ring-gai High School?
About 3.5 km in a straight line, between Duffys Forest and North Turramurra 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 Ku-ring-gai High School has 10.6.
How do A.G.B.U. Alexander Primary School and Ku-ring-gai High School rank in NSW?
A.G.B.U. Alexander Primary School is unranked and Ku-ring-gai High School is 28th of 539 among primary schools in New South Wales on the 2025 Success Index.