Holy Trinity Catholic Primary School vs St Brigid's School
A head-to-head comparison of two primary schools in Victoria, 15 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Holy Trinity Catholic Primary School
Sunbury · Catholic primary · Prep-6
431 students · ICSEA 1065
St Brigid's School
Gisborne · Catholic primary · Prep-6
216 students · ICSEA 1065
| Measure | Holy Trinity Catholic Primary School Sunbury VIC | St Brigid's School Gisborne VIC |
|---|---|---|
| Success Index | 72 Top 25% | 70 Top 25% |
| State rank (type) | #348 of 1,290 | #419 of 1,290 |
| National rank (type) | #808 of 4,908 | #1050 of 4,908 |
| Sector | Catholic | Catholic |
| Type | Primary | Primary |
| Year range | Prep-6 | Prep-6 |
| Students | 431 | 216 |
| Girls / boys | 214 / 217 | 103 / 113 |
| Foundation intake | 76 | 42 |
| Year 7 cohort | – | – |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +215% | +24% |
| ICSEA Average 1000 | 1065 | 1065 |
| ICSEA percentile | 74th | 74th |
| Top SEA quarter | 24% | 23% |
| Bottom SEA quarter | 13% | 12% |
| Students per teacher | 14.6 | 11.4 |
| Teaching staff (FTE) | 29.5 | 18.9 |
| Non-teaching staff (FTE) | 11.9 | 10.1 |
| Language background other than English | 17% | 7% |
| Indigenous students | 2% | 1% |
| Suburb | Sunbury 3429 | Gisborne 3437 |
| Council area | Hume | Macedon Ranges |
| Remoteness | Major Cities | Inner Regional |
| Website | htsunbury.catholic.edu.au/ | www.sbgisborne.catholic.edu.au |
The verdict
- •Holy Trinity Catholic Primary School scores higher on the Success Index (72.2 vs 69.6).
- •St Brigid's School has fewer students per teacher (11.4 vs 14.6).
- •Holy Trinity Catholic Primary School is the larger school with 431 students compared with 216.
- •Holy Trinity Catholic Primary School has grown faster over five years (215% vs 24%).
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 Holy Trinity Catholic Primary School better than St Brigid's School?
On the Success Index, Holy Trinity Catholic Primary School ranks higher (72.2 vs 69.6 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 Holy Trinity Catholic Primary School and St Brigid's School?
About 15 km in a straight line, between Sunbury and Gisborne in Victoria.
Which has the better student-to-teacher ratio?
Holy Trinity Catholic Primary School has 14.6 students per full-time-equivalent teacher and St Brigid's School has 11.4.
How do Holy Trinity Catholic Primary School and St Brigid's School rank in VIC?
Holy Trinity Catholic Primary School is 348th of 1,290 and St Brigid's School is 419th of 1,290 among primary schools in Victoria on the 2025 Success Index.