Black Mountain School vs Lyneham High School
A head-to-head comparison of two schools in Australian Capital Territory, 2.2 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Black Mountain School
O'Connor · Government special · 7-12
108 students · ICSEA 1030
Lyneham High School
Lyneham · Government high school · 7-10
1,034 students · ICSEA 1132
| Measure | Black Mountain School O'Connor ACT | Lyneham High School Lyneham ACT |
|---|---|---|
| Success Index | – Not rated | 70 Top 25% |
| State rank (type) | – | #16 of 27 |
| National rank (type) | – | #291 of 1,472 |
| Sector | Government | Government |
| Type | Special | Secondary |
| Year range | 7-12 | 7-10 |
| Students | 108 | 1,034 |
| Girls / boys | 31 / 77 | 470 / 564 |
| Foundation intake | – | – |
| Year 7 cohort | 14 | 251 |
| Year 12 cohort | 12 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -5% | -4% |
| ICSEA Average 1000 | 1030 | 1132 |
| ICSEA percentile | 60th | 92th |
| Top SEA quarter | 23% | 57% |
| Bottom SEA quarter | 24% | 7% |
| Students per teacher | 3.2 | 13.5 |
| Teaching staff (FTE) | 33.8 | 76.8 |
| Non-teaching staff (FTE) | 53.4 | 25.1 |
| Language background other than English | 37% | 45% |
| Indigenous students | 8% | 3% |
| Suburb | O'Connor 2602 | Lyneham 2602 |
| Council area | Unincorporated ACT | Unincorporated ACT |
| Remoteness | Major Cities | Major Cities |
| Website | www.bms.act.edu.au/ | www.lynehamhs.act.edu.au/ |
The verdict
- •Lyneham High School has the higher ICSEA (1132 vs 1030), indicating a more advantaged community.
- •Black Mountain School has fewer students per teacher (3.2 vs 13.5).
- •Lyneham High School is the larger school with 1,034 students compared with 108.
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 Dickson
Frequently asked questions
Is Black Mountain School better than Lyneham High 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 Black Mountain School and Lyneham High School?
About 2.2 km in a straight line, between O'Connor and Lyneham in Australian Capital Territory.
Which has the better student-to-teacher ratio?
Black Mountain School has 3.2 students per full-time-equivalent teacher and Lyneham High School has 13.5.
How do Black Mountain School and Lyneham High School rank in ACT?
Black Mountain School is unranked and Lyneham High School is 16th of 27 among special schools in Australian Capital Territory on the 2025 Success Index.