Siena Catholic College
Updated Oct 2026 · ACARA 2025Sippy Downs, Queensland 4556 · Sunshine Coast LGA
About Siena Catholic College
Siena Catholic College is a catholic high school located in Sippy Downs, Queensland (4556), within the Sunshine Coast local government area. It caters for students from 7 to 12 and in 2025 enrolled 889 students (455 girls and 434 boys). The school is affiliated with Catholic Education Queensland.
Siena Catholic College has an ICSEA value of 1073, indicating above-average socio-educational advantage. That places it in the 76th percentile of Australian schools. 27% of students come from the top socio-educational quarter and 8% from the bottom quarter.
The school employs 72 teachers (68.4 full-time equivalent) and 35 non-teaching staff, giving a student-to-teacher ratio of about 13.0 to 1. Enrolments have fallen by 4% over the past five years.
On the Success Index, Siena Catholic College scores 65.0 out of 100, placing it in the top 50% of secondary schools nationally and 41st of 269 secondary schools in QLD (1st of 12 in the Sunshine Coast area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1073
- Students in the top advantage quarter (15%)27% of students
- Teacher resourcing (students per teacher) (15%)13.0 students per teacher
- Enrolment growth vs local area (5 years) (10%)-4% enrolments since 2020 (area median -4%)
- ICSEA trend (5 years) (10%)-7 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 Siena Catholic College's 889 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Siena Catholic College have changed over the past decade.
Free academic assessment
Is your child on track at Siena Catholic College?
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Schools near Siena Catholic College
Closest schools by straight-line distance, with their Success Index.
Siena Catholic Primary School
Sippy Downs · Catholic primary · Prep-6
616 students · ICSEA 1081 · 46 m away
Chancellor State College
Sippy Downs · Government combined · Prep-12
2,609 students · ICSEA 1042 · 1.0 km away
Matthew Flinders Anglican College
Buderim · Independent combined · Prep-12
1,426 students · ICSEA 1155 · 2.0 km away
Palmview State Secondary College
Palmview · Government high school · 7-10
379 students · ICSEA 1021 · 2.8 km away
Palmview State Primary School
Palmview · Government primary · Prep-6
596 students · ICSEA 1037 · 3.2 km away
Palmview State Special School
Palmview · Government special · Prep-12
102 students · ICSEA 1023 · 3.2 km away
Buderim Mountain State School
Buderim · Government primary · Prep-6
1,183 students · ICSEA 1096 · 3.6 km away
Mountain Creek State School
Mountain Creek · Government primary · Prep-6
778 students · ICSEA 1041 · 5.3 km away
Brightwater State School
Mountain Creek · Government primary · Prep-6
733 students · ICSEA 1055 · 5.4 km away
Mountain Creek State High School
Mountain Creek · Government high school · 7-12
2,091 students · ICSEA 1043 · 5.5 km away
Similar schools
Catholic secondary schools in QLD with a comparable ICSEA.
Marymount College
Burleigh Waters · Catholic high school · 7-12
1,262 students · ICSEA 1073
Clairvaux MacKillop College
Upper Mount Gravatt · Catholic high school · 7-12
1,215 students · ICSEA 1070
Holy Spirit College
Fitzgibbon · Catholic high school · 7-10
455 students · ICSEA 1077
Mary MacKillop College
Nundah · Catholic high school · 7-12
618 students · ICSEA 1079
St Thomas More College
Sunnybank · Catholic high school · 7-12
1,161 students · ICSEA 1067
St Teresa's Catholic College
Noosaville · Catholic high school · 7-12
801 students · ICSEA 1066
Frequently asked questions
Is Siena Catholic College a public or private school?
Siena Catholic College is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Education Queensland.
What year levels does Siena Catholic College offer?
Siena Catholic College offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Siena Catholic College?
In 2025, Siena Catholic College had 889 enrolled students (455 girls, 434 boys), a change of -4% over five years.
What is the ICSEA of Siena Catholic College?
Siena Catholic College has an ICSEA (Index of Community Socio-Educational Advantage) of 1073. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Siena Catholic College rank in QLD?
Siena Catholic College ranks 41st of 269 secondary schools in Queensland on the Success Index (65.0/100), and 403rd of 1,472 nationally.
What is the student-to-teacher ratio at Siena Catholic College?
Siena Catholic College has about 13.0 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Siena Catholic College?
In 2025, Siena Catholic College had 153 students in Year 7 and 147 in Year 12.
Is Siena Catholic College co-ed?
Yes. Siena Catholic College is a co-educational school enrolling both girls and boys.
What other schools are near Siena Catholic College?
There are 10 other schools within 15 km of Siena Catholic College 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 Siena Catholic College?
The closest Success Tutoring centre is Success Tutoring North Lakes, about 57 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.