Concord High School vs Mortlake Public School
A head-to-head comparison of two schools in New South Wales, 1.7 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Concord High School
Concord · Government high school · 7-12
1,206 students · ICSEA 1068
Mortlake Public School
Concord · Government primary · K-6
261 students · ICSEA 1081
| Measure | Concord High School Concord NSW | Mortlake Public School Concord NSW |
|---|---|---|
| Success Index | 61 Top 50% | 62 Top 50% |
| State rank (type) | #193 of 539 | #581 of 1,619 |
| National rank (type) | #485 of 1,472 | #1776 of 4,908 |
| Sector | Government | Government |
| Type | Secondary | Primary |
| Year range | 7-12 | K-6 |
| Students | 1,206 | 261 |
| Girls / boys | 453 / 753 | 117 / 144 |
| Foundation intake | – | 27 |
| Year 7 cohort | 162 | – |
| Year 12 cohort | 191 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -4% | -30% |
| ICSEA Average 1000 | 1068 | 1081 |
| ICSEA percentile | 75th | 79th |
| Top SEA quarter | 28% | 32% |
| Bottom SEA quarter | 13% | 9% |
| Students per teacher | 13.7 | 14.7 |
| Teaching staff (FTE) | 87.9 | 17.7 |
| Non-teaching staff (FTE) | 14.8 | 5.6 |
| Language background other than English | 71% | 54% |
| Indigenous students | 1% | 2% |
| Suburb | Concord 2137 | Concord 2137 |
| Council area | Canada Bay | Canada Bay |
| Remoteness | Major Cities | Major Cities |
| Website | concord-h.schools.nsw.gov.au | mortlake-p.schools.nsw.gov.au |
The verdict
- •Both schools have almost identical Success Index scores (61.2 vs 61.7).
- •Mortlake Public School has the higher ICSEA (1081 vs 1068), indicating a more advantaged community.
- •Concord High School has fewer students per teacher (13.7 vs 14.7).
- •Concord High School is the larger school with 1,206 students compared with 261.
- •Concord High School has grown faster over five years (-4% vs -30%).
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 Concord High School better than Mortlake Public School?
The two schools are very close on the Success Index. Differences in sector, size, year range and distance from home will matter more than the score.
How far apart are Concord High School and Mortlake Public School?
About 1.7 km in a straight line, between Concord and Concord in New South Wales.
Which has the better student-to-teacher ratio?
Concord High School has 13.7 students per full-time-equivalent teacher and Mortlake Public School has 14.7.
How do Concord High School and Mortlake Public School rank in NSW?
Concord High School is 193rd of 539 and Mortlake Public School is 581st of 1,619 among secondary schools in New South Wales on the 2025 Success Index.