St Stephen's School
Updated Oct 2026 · ACARA 2025Duncraig, Western Australia 6023 · Joondalup LGA
#24 of 172 combined schools in WA
#247 of 1,259 nationally
About St Stephen's School
St Stephen's School is an independent combined (K–12) school located in Duncraig, Western Australia (6023), within the Joondalup local government area. It caters for students from PP to 12 and in 2025 enrolled 2,137 students (1,079 girls and 1,058 boys). The school is affiliated with Association of Independent Schools of WA.
St Stephen's School has an ICSEA value of 1120, indicating very high socio-educational advantage. That places it in the 89th percentile of Australian schools. 47% of students come from the top socio-educational quarter and 5% from the bottom quarter.
The school employs 220 teachers (174.4 full-time equivalent) and 171 non-teaching staff, giving a student-to-teacher ratio of about 12.3 to 1. Enrolments have grown by 13% over the past five years.
On the Success Index, St Stephen's School scores 70.8 out of 100, placing it in the top 25% of combined schools nationally and 24th of 172 combined schools in WA (2nd of 4 in the Joondalup area).
Year 12 ATAR results (2025)
The School Curriculum and Standards Authority lists, for every ATAR course, the schools whose students had combined scores in the top 15% of that course. St Stephen's School appears for 4 courses.
Courses
Literature · Marine and Maritime Studies · Modern History · Physical Education Studies
WA does not publish median ATARs by school; this list is the official per-school measure of top-end achievement. See WA schools with the most top-performing ATAR students.
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1120
- Students in the top advantage quarter (15%)47% of students
- Teacher resourcing (students per teacher) (15%)12.3 students per teacher
- Enrolment growth vs local area (5 years) (10%)+13% enrolments since 2020 (area median +12%)
- ICSEA trend (5 years) (10%)+4 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 Stephen's School's 2,137 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Stephen's School have changed over the past decade.
Free academic assessment
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Schools near St Stephen's School
Closest schools by straight-line distance, with their Success Index.
Glengarry Primary School
Duncraig · Government primary · K-6
396 students · ICSEA 1104 · 763 m away
West Greenwood Primary School
Greenwood · Government primary · K-6
382 students · ICSEA 1051 · 1.1 km away
Dalmain Primary School
Kingsley · Government primary · K-6
278 students · ICSEA 1077 · 1.3 km away
West Coast Secondary Education Support Centre
Warwick · Government special · 7-12
114 students · ICSEA 1023 · 1.3 km away
Greenwood College
Greenwood · Government high school · 7-12
944 students · ICSEA 1038 · 1.3 km away
Duncraig Senior High School
Duncraig · Government high school · 7-12
1,851 students · ICSEA 1079 · 1.3 km away
Padbury Catholic Primary School
Padbury · Catholic primary · PP-6
427 students · ICSEA 1108 · 1.4 km away
Duncraig Primary School
Duncraig · Government primary · K-6
459 students · ICSEA 1105 · 1.6 km away
South Padbury Primary School
Padbury · Government primary · K-6
373 students · ICSEA 1067 · 1.8 km away
Creaney Primary School
Kingsley · Government primary · K-6
379 students · ICSEA 1064 · 1.9 km away
Similar schools
Independent combined schools in WA with a comparable ICSEA.
The Montessori School
Kingsley · Independent combined · PP-12
166 students · ICSEA 1120
Newman College
Churchlands · Independent combined · PP-12
1,824 students · ICSEA 1121
Rehoboth Christian College
Kenwick · Independent combined · PP-12
1,009 students · ICSEA 1119
Kingsway Christian College
Darch · Independent combined · PP-12
1,379 students · ICSEA 1118
Bold Park Community School
Wembley · Independent combined · PP-12
189 students · ICSEA 1117
Perth Montessori School
Burswood · Independent combined · PP-12
92 students · ICSEA 1115
Frequently asked questions
Is St Stephen's School a public or private school?
St Stephen's School is a Independent school, which makes it a non-government (private) school affiliated with Association of Independent Schools of WA.
What year levels does St Stephen's School offer?
St Stephen's School offers PP to 12. It is classified by ACARA as a combined school.
How many students attend St Stephen's School?
In 2025, St Stephen's School had 2,137 enrolled students (1,079 girls, 1,058 boys), a change of 13% over five years.
What is the ICSEA of St Stephen's School?
St Stephen's School has an ICSEA (Index of Community Socio-Educational Advantage) of 1120. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does St Stephen's School rank in WA?
St Stephen's School ranks 24th of 172 combined schools in Western Australia on the Success Index (70.8/100), and 247th of 1,259 nationally.
What is the student-to-teacher ratio at St Stephen's School?
St Stephen's School has about 12.3 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at St Stephen's School?
In 2025, St Stephen's School had 250 students in Year 7 and 170 in Year 12.
Is St Stephen's School co-ed?
Yes. St Stephen's School is a co-educational school enrolling both girls and boys.
What other schools are near St Stephen's School?
There are 10 other schools within 15 km of St Stephen's 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 Stephen's School?
The closest Success Tutoring centre is Success Tutoring Stirling, about 7.4 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.