Tranby College
Updated Oct 2026 · ACARA 2025Baldivis, Western Australia 6171 · Rockingham LGA
#61 of 172 combined schools in WA
#602 of 1,259 nationally
About Tranby College
Tranby College is an independent combined (K–12) school located in Baldivis, Western Australia (6171), within the Rockingham local government area. It caters for students from PP to 12 and in 2025 enrolled 865 students (424 girls and 441 boys). The school is affiliated with Association of Independent Schools of WA.
Tranby College has an ICSEA value of 1060, indicating above-average socio-educational advantage. That places it in the 72nd percentile of Australian schools. 24% of students come from the top socio-educational quarter and 13% from the bottom quarter.
The school employs 84 teachers (75.4 full-time equivalent) and 47 non-teaching staff, giving a student-to-teacher ratio of about 11.5 to 1. Enrolments have grown by 28% over the past five years.
On the Success Index, Tranby College scores 52.4 out of 100, placing it in the top 50% of combined schools nationally and 61st of 172 combined schools in WA (1st of 5 in the Rockingham area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1060
- Students in the top advantage quarter (15%)24% of students
- Teacher resourcing (students per teacher) (15%)11.5 students per teacher
- Enrolment growth vs local area (5 years) (10%)+28% enrolments since 2020 (area median +43%)
- ICSEA trend (5 years) (10%)-9 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 Tranby College's 865 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Tranby College have changed over the past decade.
Free academic assessment
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Schools near Tranby College
Closest schools by straight-line distance, with their Success Index.
Settlers Primary School
Baldivis · Government primary · K-6
661 students · ICSEA 997 · 348 m away
Makybe Rise Primary School
Baldivis · Government primary · K-6
805 students · ICSEA 1002 · 1.5 km away
Tuart Rise Primary School
Baldivis · Government primary · K-6
736 students · ICSEA 974 · 1.9 km away
Pine View Primary School
Baldivis · Government primary · K-6
321 students · ICSEA 994 · 2.1 km away
Baldivis Secondary College
Baldivis · Government high school · 7-12
1,370 students · ICSEA 975 · 2.5 km away
Mother Teresa Catholic College
Baldivis · Catholic combined · PP-12
1,526 students · ICSEA 1034 · 2.6 km away
Rivergums Primary School
Baldivis · Government primary · K-6
566 students · ICSEA 997 · 2.7 km away
Ridge View Secondary College
Baldivis · Government high school · 7-12
982 students · ICSEA 989 · 2.8 km away
Koorana Primary School
Warnbro · Government primary · K-6
377 students · ICSEA 936 · 3.4 km away
Koorana Education Support Centre
Warnbro · Government special · K-6
92 students · ICSEA 979 · 3.4 km away
Similar schools
Independent combined schools in WA with a comparable ICSEA.
St Brigid's College
Lesmurdie · Independent combined · PP-12
812 students · ICSEA 1060
John Wollaston Anglican Community School
Camillo · Independent combined · PP-12
1,206 students · ICSEA 1060
Swan Christian College
Middle Swan · Independent combined · PP-12
1,689 students · ICSEA 1059
Golden Hill Steiner School
Denmark · Independent combined · PP-9
157 students · ICSEA 1061
Quinns Baptist College
Mindarie · Independent combined · PP-12
1,101 students · ICSEA 1061
Divine Mercy College
Yangebup · Independent combined · PP-12
322 students · ICSEA 1062
Frequently asked questions
Is Tranby College a public or private school?
Tranby College is a Independent school, which makes it a non-government (private) school affiliated with Association of Independent Schools of WA.
What year levels does Tranby College offer?
Tranby College offers PP to 12. It is classified by ACARA as a combined school.
How many students attend Tranby College?
In 2025, Tranby College had 865 enrolled students (424 girls, 441 boys), a change of 28% over five years.
What is the ICSEA of Tranby College?
Tranby College has an ICSEA (Index of Community Socio-Educational Advantage) of 1060. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Tranby College rank in WA?
Tranby College ranks 61st of 172 combined schools in Western Australia on the Success Index (52.4/100), and 602nd of 1,259 nationally.
What is the student-to-teacher ratio at Tranby College?
Tranby College has about 11.5 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Tranby College?
In 2025, Tranby College had 107 students in Year 7 and 41 in Year 12.
Is Tranby College co-ed?
Yes. Tranby College is a co-educational school enrolling both girls and boys.
What other schools are near Tranby College?
There are 10 other schools within 15 km of Tranby 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 Tranby College?
The closest Success Tutoring centre is Success Tutoring Baldivis, about 1.2 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.