John XXIII College
Updated Oct 2026 · ACARA 2025Mount Claremont, Western Australia 6010 · Nedlands LGA
About John XXIII College
John XXIII College is a catholic combined (K–12) school located in Mount Claremont, Western Australia (6010), within the Nedlands local government area. It caters for students from PP to 12 and in 2025 enrolled 1,492 students (729 girls and 763 boys). The school is affiliated with Catholic Education Western Australia.
John XXIII College has an ICSEA value of 1186, indicating exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. That places it in the 99th percentile of Australian schools. 74% of students come from the top socio-educational quarter and 1% from the bottom quarter.
The school employs 131 teachers (116.1 full-time equivalent) and 108 non-teaching staff, giving a student-to-teacher ratio of about 12.8 to 1. Enrolments have remained steady over the past five years.
On the Success Index, John XXIII College scores 79.7 out of 100, placing it in the top 10% of combined schools nationally and 7th of 172 combined schools in WA.
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. John XXIII College appears for 6 courses.
Courses
Drama · Economics · Politics and Law · Psychology · Religion and Life · Visual Arts
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 1186
- Students in the top advantage quarter (15%)74% of students
- Teacher resourcing (students per teacher) (15%)12.8 students per teacher
- Enrolment growth vs local area (5 years) (10%)0% enrolments since 2020
- ICSEA trend (5 years) (10%)+11 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 John XXIII College's 1,492 students are spread across year levels in 2025.
Enrolment trend
How enrolments at John XXIII College have changed over the past decade.
Free academic assessment
Is your child on track at John XXIII College?
Rankings tell you about a school community. A free Success Tutoring assessment tells you about your child: exactly where they are in English and Maths, where the gaps are, and a plan to close them. Small-group, Australian-curriculum tutoring with no lock-in contracts.
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Schools near John XXIII College
Closest schools by straight-line distance, with their Success Index.
Mount Claremont Primary School
Mount Claremont · Government primary · K-6
325 students · ICSEA 1141 · 762 m away
Quintilian School
Mount Claremont · Independent primary · PP-6
160 students · ICSEA 1182 · 906 m away
Moerlina School
Mount Claremont · Independent primary · PP-6
50 students · ICSEA 1143 · 976 m away
St Thomas' Primary School
Claremont · Catholic primary · PP-6
176 students · ICSEA 1169 · 1.8 km away
Swanbourne Primary School
Swanbourne · Government primary · K-6
465 students · ICSEA 1149 · 1.9 km away
Shenton College
Shenton Park · Government high school · 7-12
2,757 students · ICSEA 1160 · 1.9 km away
Shenton College Deaf Education Centre
Shenton Park · Government special · 7-12
36 students · ICSEA 988 · 1.9 km away
Scotch College
Swanbourne · Independent combined · PP-12
1,552 students · ICSEA 1129 · 2.3 km away
Hollywood Primary School
Nedlands · Government primary · K-6
358 students · ICSEA 1174 · 2.3 km away
Methodist Ladies' College
Claremont · Independent combined · PP-12
1,035 students · ICSEA 1190 · 2.6 km away
Similar schools
Catholic combined schools in WA with a comparable ICSEA.
Iona Presentation College
Mosman Park · Catholic combined · PP-12
1,265 students · ICSEA 1141
Corpus Christi College
Bateman · Catholic combined · PP-12
1,789 students · ICSEA 1116
Trinity College
East Perth · Catholic combined · 4-12
1,347 students · ICSEA 1113
Aquinas College
Salter Point · Catholic combined · PP-12
1,332 students · ICSEA 1110
Ursula Frayne Catholic College
Victoria Park · Catholic combined · PP-12
1,442 students · ICSEA 1108
St John Bosco College
Piara Waters · Catholic combined · PP-12
1,243 students · ICSEA 1063
Frequently asked questions
Is John XXIII College a public or private school?
John XXIII College is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Education Western Australia.
What year levels does John XXIII College offer?
John XXIII College offers PP to 12. It is classified by ACARA as a combined school.
How many students attend John XXIII College?
In 2025, John XXIII College had 1,492 enrolled students (729 girls, 763 boys), a change of 0% over five years.
What is the ICSEA of John XXIII College?
John XXIII College has an ICSEA (Index of Community Socio-Educational Advantage) of 1186. The national average is 1000, so this indicates exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. ICSEA reflects the school community, not teaching quality.
How does John XXIII College rank in WA?
John XXIII College ranks 7th of 172 combined schools in Western Australia on the Success Index (79.7/100), and 117th of 1,259 nationally.
What is the student-to-teacher ratio at John XXIII College?
John XXIII College has about 12.8 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at John XXIII College?
In 2025, John XXIII College had 186 students in Year 7 and 166 in Year 12.
Is John XXIII College co-ed?
Yes. John XXIII College is a co-educational school enrolling both girls and boys.
What other schools are near John XXIII College?
There are 10 other schools within 15 km of John XXIII 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 John XXIII College?
The closest Success Tutoring centre is Success Tutoring Stirling, about 9.1 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.