Mercy Catholic College vs St Pius X College
A head-to-head comparison of two schools in New South Wales, 234 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Mercy Catholic College
Chatswood · Catholic high school · 7-12
728 students · ICSEA 1134
St Pius X College
Chatswood · Independent combined · 5-12
1,183 students · ICSEA 1144
| Measure | Mercy Catholic College Chatswood NSW | St Pius X College Chatswood NSW |
|---|---|---|
| Success Index | 77 Top 10% | 73 Top 25% |
| State rank (type) | #45 of 539 | #75 of 314 |
| National rank (type) | #119 of 1,472 | #213 of 1,259 |
| Sector | Catholic | Independent |
| Type | Secondary | Combined |
| Year range | 7-12 | 5-12 |
| Students | 728 | 1,183 |
| Girls / boys | 728 / 0 | 0 / 1,183 |
| Foundation intake | – | – |
| Year 7 cohort | 126 | 183 |
| Year 12 cohort | 125 | 147 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +3% | +3% |
| ICSEA Average 1000 | 1134 | 1144 |
| ICSEA percentile | 92th | 94th |
| Top SEA quarter | 52% | 58% |
| Bottom SEA quarter | 2% | 1% |
| Students per teacher | 12.9 | 12.1 |
| Teaching staff (FTE) | 56.4 | 97.6 |
| Non-teaching staff (FTE) | 11.5 | 39.4 |
| Language background other than English | 41% | 19% |
| Indigenous students | 0% | 0% |
| Suburb | Chatswood 2067 | Chatswood 2067 |
| Council area | Willoughby | Willoughby |
| Remoteness | Major Cities | Major Cities |
| Website | www.mercychatswood.nsw.edu.au | www.spx.nsw.edu.au/ |
The verdict
- •Mercy Catholic College scores higher on the Success Index (76.7 vs 72.7).
- •St Pius X College has the higher ICSEA (1144 vs 1134), indicating a more advantaged community.
- •St Pius X College has fewer students per teacher (12.1 vs 12.9).
- •St Pius X College is the larger school with 1,183 students compared with 728.
- •Mercy Catholic College is a catholic school while St Pius X College is an independent 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 Chatswood
Frequently asked questions
Is Mercy Catholic College better than St Pius X College?
On the Success Index, Mercy Catholic College ranks higher (76.7 vs 72.7 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 Mercy Catholic College and St Pius X College?
About 234 m in a straight line, between Chatswood and Chatswood in New South Wales.
Which has the better student-to-teacher ratio?
Mercy Catholic College has 12.9 students per full-time-equivalent teacher and St Pius X College has 12.1.
How do Mercy Catholic College and St Pius X College rank in NSW?
Mercy Catholic College is 45th of 539 and St Pius X College is 75th of 314 among secondary schools in New South Wales on the 2025 Success Index.