Northern Adelaide Senior College vs St Thomas More School
A head-to-head comparison of two schools in South Australia, 973 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Northern Adelaide Senior College
Elizabeth · Government high school · U, 11-12
431 students · ICSEA 978
St Thomas More School
Elizabeth Park · Catholic primary · R-6
267 students · ICSEA 927
| Measure | Northern Adelaide Senior College Elizabeth SA | St Thomas More School Elizabeth Park SA |
|---|---|---|
| Success Index | 39 Lower 50% | 27 Lower 50% |
| State rank (type) | #56 of 84 | #310 of 348 |
| National rank (type) | #975 of 1,472 | #4367 of 4,908 |
| Sector | Government | Catholic |
| Type | Secondary | Primary |
| Year range | U, 11-12 | R-6 |
| Students | 431 | 267 |
| Girls / boys | 267 / 164 | 115 / 152 |
| Foundation intake | – | 30 |
| Year 7 cohort | – | – |
| Year 12 cohort | 123 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -16% | +35% |
| ICSEA Average 1000 | 978 | 927 |
| ICSEA percentile | 37th | 17th |
| Top SEA quarter | 14% | 3% |
| Bottom SEA quarter | 45% | 55% |
| Students per teacher | 16.5 | 15.2 |
| Teaching staff (FTE) | 25.4 | 17.6 |
| Non-teaching staff (FTE) | 30.0 | 18.1 |
| Language background other than English | 23% | 14% |
| Indigenous students | 9% | 15% |
| Suburb | Elizabeth 5112 | Elizabeth Park 5113 |
| Council area | Playford | Playford |
| Remoteness | Major Cities | Major Cities |
| Website | www.northernadelaidesc.sa.edu.au | www.sttmore.catholic.edu.au |
The verdict
- •Northern Adelaide Senior College scores higher on the Success Index (39.3 vs 26.9).
- •Northern Adelaide Senior College has the higher ICSEA (978 vs 927), indicating a more advantaged community.
- •St Thomas More School has fewer students per teacher (15.2 vs 16.5).
- •Northern Adelaide Senior College is the larger school with 431 students compared with 267.
- •St Thomas More School has grown faster over five years (35% vs -16%).
- •Northern Adelaide Senior College is a government school while St Thomas More School is a catholic 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.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Your nearest centre: Success Tutoring Windsor Gardens
Frequently asked questions
Is Northern Adelaide Senior College better than St Thomas More School?
On the Success Index, Northern Adelaide Senior College ranks higher (39.3 vs 26.9 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 Northern Adelaide Senior College and St Thomas More School?
About 973 m in a straight line, between Elizabeth and Elizabeth Park in South Australia.
Which has the better student-to-teacher ratio?
Northern Adelaide Senior College has 16.5 students per full-time-equivalent teacher and St Thomas More School has 15.2.
How do Northern Adelaide Senior College and St Thomas More School rank in SA?
Northern Adelaide Senior College is 56th of 84 and St Thomas More School is 310th of 348 among secondary schools in South Australia on the 2025 Success Index.