St Mary of the Cross School
Updated Oct 2026 · ACARA 2025Windsor, Queensland 4030 · Brisbane LGA
About St Mary of the Cross School
St Mary of the Cross School is a catholic primary school located in Windsor, Queensland (4030), within the Brisbane local government area. It caters for students from Prep to 6 and in 2025 enrolled 56 students (32 girls and 24 boys). The school is affiliated with Catholic Education Queensland.
St Mary of the Cross School has an ICSEA value of 1100, indicating very high socio-educational advantage. That places it in the 84th percentile of Australian schools. 42% of students come from the top socio-educational quarter and 3% from the bottom quarter.
The school employs 13 teachers (8.8 full-time equivalent) and 11 non-teaching staff, giving a student-to-teacher ratio of about 6.4 to 1. Enrolments have fallen by 38% over the past five years.
On the Success Index, St Mary of the Cross School scores 74.0 out of 100. Because it has fewer than 80 students it is not included in ranking tables, where small enrolments make year-to-year comparisons unreliable.
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1100
- Students in the top advantage quarter (15%)42% of students
- Teacher resourcing (students per teacher) (15%)6.4 students per teacher
- Enrolment growth vs local area (5 years) (10%)-38% enrolments since 2020 (area median -3%)
- ICSEA trend (5 years) (10%)+67 ICSEA points since 2020
The Success Index summarises the academic environment of a school community using official ACARA data. It is not a measure of teaching quality or student results. Read the methodology.
Student profile
Distribution of students across socio-educational advantage (SEA) quarters, plus community characteristics.
Enrolments by year level
How St Mary of the Cross School's 56 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Mary of the Cross School have changed over the past decade.
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Schools near St Mary of the Cross School
Closest schools by straight-line distance, with their Success Index.
Windsor State School
Windsor · Government primary · Prep-6
717 students · ICSEA 1140 · 237 m away
Holy Cross School
Wooloowin · Catholic primary · Prep-6
93 students · ICSEA 1137 · 1.1 km away
St Columba's Primary School
Wilston · Catholic primary · Prep-6
495 students · ICSEA 1155 · 1.4 km away
Wooloowin State School
Wooloowin · Government primary · Prep-6
345 students · ICSEA 1121 · 1.7 km away
Wilston State School
Grange · Government primary · Prep-6
840 students · ICSEA 1165 · 1.7 km away
St Margaret's Anglican Girls School
Ascot · Independent combined · Prep-12
1,436 students · ICSEA 1158 · 1.7 km away
Kedron State High School
Kedron · Government high school · 7-12
1,700 students · ICSEA 1096 · 2.0 km away
St Agatha's Primary School
Clayfield · Catholic primary · Prep-6
359 students · ICSEA 1159 · 2.3 km away
Fortitude Valley State Secondary College
Fortitude Valley · Government high school · 7-12
822 students · ICSEA 1086 · 2.3 km away
Clayfield College
Clayfield · Independent combined · Prep-12
604 students · ICSEA 1135 · 2.3 km away
Similar schools
Catholic primary schools in QLD with a comparable ICSEA.
St Joseph's Catholic School, The Strand
North Ward · Catholic primary · Prep-6
355 students · ICSEA 1100
Our Lady of Lourdes Primary School
Sunnybank · Catholic primary · Prep-6
560 students · ICSEA 1099
St James Primary School
Coorparoo · Catholic primary · Prep-6
132 students · ICSEA 1102
St Andrew's Catholic School
Ferny Grove · Catholic primary · Prep-6
539 students · ICSEA 1097
Our Lady of the Assumption School
Enoggera · Catholic primary · Prep-6
303 students · ICSEA 1104
St John Vianney's Primary School
Manly · Catholic primary · Prep-6
452 students · ICSEA 1096
Frequently asked questions
Is St Mary of the Cross School a public or private school?
St Mary of the Cross School is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Education Queensland.
What year levels does St Mary of the Cross School offer?
St Mary of the Cross School offers Prep to 6. It is classified by ACARA as a primary school.
How many students attend St Mary of the Cross School?
In 2025, St Mary of the Cross School had 56 enrolled students (32 girls, 24 boys), a change of -38% over five years.
What is the ICSEA of St Mary of the Cross School?
St Mary of the Cross School has an ICSEA (Index of Community Socio-Educational Advantage) of 1100. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
What is the student-to-teacher ratio at St Mary of the Cross School?
St Mary of the Cross School has about 6.4 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How many students start Prep at St Mary of the Cross School each year?
In 2025, St Mary of the Cross School had 7 students in Prep and 7 in Year 6.
Is St Mary of the Cross School co-ed?
Yes. St Mary of the Cross School is a co-educational school enrolling both girls and boys.
What other schools are near St Mary of the Cross School?
There are 10 other schools within 15 km of St Mary of the Cross School in our database. Scroll up to the "Nearby schools" section to compare them by Success Index, ICSEA and enrolments, or use the Compare tool.
Where can I get tutoring near St Mary of the Cross School?
The closest Success Tutoring centre is Success Tutoring Chermside, about 5.1 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.