Diamond Valley College vs St Helena Secondary College
A head-to-head comparison of two secondary schools in Victoria, 2.9 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Diamond Valley College
Diamond Creek · Government high school · 7-12
818 students · ICSEA 1020
St Helena Secondary College
Eltham North · Government high school · 7-12
1,414 students · ICSEA 1065
| Measure | Diamond Valley College Diamond Creek VIC | St Helena Secondary College Eltham North VIC |
|---|---|---|
| Success Index | 59 Top 50% | 66 Top 50% |
| State rank (type) | #160 of 348 | #127 of 348 |
| National rank (type) | #534 of 1,472 | #382 of 1,472 |
| Sector | Government | Government |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 818 | 1,414 |
| Girls / boys | 390 / 428 | 695 / 719 |
| Foundation intake | – | – |
| Year 7 cohort | 136 | 242 |
| Year 12 cohort | 108 | 187 |
| VCE median study score VCAA, latest year | 25 | 30 |
| VCE study scores 40+ | 0.5% | 4.9% |
| 5-year enrolment growth | +27% | -11% |
| ICSEA Average 1000 | 1020 | 1065 |
| ICSEA percentile | 56th | 74th |
| Top SEA quarter | 12% | 25% |
| Bottom SEA quarter | 27% | 14% |
| Students per teacher | 11.5 | 12.0 |
| Teaching staff (FTE) | 71.1 | 118.0 |
| Non-teaching staff (FTE) | 22.0 | 38.5 |
| Language background other than English | 6% | 15% |
| Indigenous students | 2% | 1% |
| Suburb | Diamond Creek 3089 | Eltham North 3095 |
| Council area | Nillumbik | Banyule |
| Remoteness | Major Cities | Major Cities |
| Website | www.dvallcoll.vic.edu.au | www.sthelena.vic.edu.au |
The verdict
- •St Helena Secondary College scores higher on the Success Index (65.9 vs 59.1).
- •St Helena Secondary College has the higher ICSEA (1065 vs 1020), indicating a more advantaged community.
- •St Helena Secondary College is the larger school with 1,414 students compared with 818.
- •Diamond Valley College has grown faster over five years (27% vs -11%).
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 Coolaroo
Frequently asked questions
Is Diamond Valley College better than St Helena Secondary College?
On the Success Index, St Helena Secondary College ranks higher (65.9 vs 59.1 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 Diamond Valley College and St Helena Secondary College?
About 2.9 km in a straight line, between Diamond Creek and Eltham North in Victoria.
Which has the better student-to-teacher ratio?
Diamond Valley College has 11.5 students per full-time-equivalent teacher and St Helena Secondary College has 12.0.
How do Diamond Valley College and St Helena Secondary College rank in VIC?
Diamond Valley College is 160th of 348 and St Helena Secondary College is 127th of 348 among secondary schools in Victoria on the 2025 Success Index.