OneSchool Global NSW - Illawarra
Updated Oct 2026 · ACARA 2025Maddens Plains, New South Wales 2508 · Wollongong LGA
#281 of 314 combined schools in NSW
#1050 of 1,259 nationally
About OneSchool Global NSW - Illawarra
OneSchool Global NSW - Illawarra is an independent combined (K–12) school located in Maddens Plains, New South Wales (2508), within the Wollongong local government area. It caters for students from 3 to 12 and in 2025 enrolled 159 students (75 girls and 84 boys). The school is affiliated with Independent Schools NSW.
OneSchool Global NSW - Illawarra has an ICSEA value of 973, indicating a socio-educational profile close to the national average of 1000. That places it in the 34th percentile of Australian schools. 0% of students come from the top socio-educational quarter and 49% from the bottom quarter.
The school employs 19 teachers (16.0 full-time equivalent) and 8 non-teaching staff, giving a student-to-teacher ratio of about 9.9 to 1.
On the Success Index, OneSchool Global NSW - Illawarra scores 31.1 out of 100, placing it in the lower 50% of combined schools nationally and 281st of 314 combined schools in NSW (5th of 5 in the Wollongong area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 973
- Students in the top advantage quarter (15%)0% of students
- Teacher resourcing (students per teacher) (15%)9.9 students per teacher
- Enrolment growth vs local area (5 years) (10%)Not available
- ICSEA trend (5 years) (10%)Not available
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 OneSchool Global NSW - Illawarra's 159 students are spread across year levels in 2025.
Enrolment trend
How enrolments at OneSchool Global NSW - Illawarra have changed over the past decade.
Free academic assessment
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Schools near OneSchool Global NSW - Illawarra
Closest schools by straight-line distance, with their Success Index.
Scarborough Public School
Scarborough · Government primary · K-6
54 students · ICSEA 1080 · 3.1 km away
Stanwell Park Public School
Stanwell Park · Government primary · K-6
150 students · ICSEA 1112 · 4.2 km away
Coledale Public School
Coledale · Government primary · K-6
135 students · ICSEA 1118 · 4.9 km away
Otford Public School
Otford · Government primary · K-6
48 students · ICSEA 1104 · 6.6 km away
Austinmer Public School
Austinmer · Government primary · K-6
227 students · ICSEA 1132 · 6.7 km away
Holy Cross Catholic Primary School
Helensburgh · Catholic primary · K-6
184 students · ICSEA 1071 · 7.7 km away
Helensburgh Public School
Helensburgh · Government primary · K-6
460 students · ICSEA 1057 · 8.0 km away
Thirroul Public School
Thirroul · Government primary · K-6
367 students · ICSEA 1119 · 8.1 km away
St Michael's Catholic Primary School
Thirroul · Catholic primary · K-6
183 students · ICSEA 1130 · 8.3 km away
Bulli Public School
Bulli · Government primary · K-6
318 students · ICSEA 1069 · 9.5 km away
Similar schools
Independent combined schools in NSW with a comparable ICSEA.
OneSchool Global NSW - Albury
Lavington · Independent combined · 3-12
31 students · ICSEA 973
St Andrew's Christian School
Grafton · Independent combined · K-12
209 students · ICSEA 974
OneSchool Global NSW - Maitland
East Maitland · Independent combined · 3-12
108 students · ICSEA 975
OneSchool Global NSW - Goulburn
Goulburn · Independent combined · 3-12
57 students · ICSEA 971
OneSchool Global NSW - Mount Victoria
Mount Victoria · Independent combined · 3-12
87 students · ICSEA 976
OneSchool Global NSW - Leeton
Leeton · Independent combined · 3-12
26 students · ICSEA 977
Frequently asked questions
Is OneSchool Global NSW - Illawarra a public or private school?
OneSchool Global NSW - Illawarra is a Independent school, which makes it a non-government (private) school affiliated with Independent Schools NSW.
What year levels does OneSchool Global NSW - Illawarra offer?
OneSchool Global NSW - Illawarra offers 3 to 12. It is classified by ACARA as a combined school.
How many students attend OneSchool Global NSW - Illawarra?
In 2025, OneSchool Global NSW - Illawarra had 159 enrolled students (75 girls, 84 boys).
What is the ICSEA of OneSchool Global NSW - Illawarra?
OneSchool Global NSW - Illawarra has an ICSEA (Index of Community Socio-Educational Advantage) of 973. The national average is 1000, so this indicates a socio-educational profile close to the national average of 1000. ICSEA reflects the school community, not teaching quality.
How does OneSchool Global NSW - Illawarra rank in NSW?
OneSchool Global NSW - Illawarra ranks 281st of 314 combined schools in New South Wales on the Success Index (31.1/100), and 1050th of 1,259 nationally.
What is the student-to-teacher ratio at OneSchool Global NSW - Illawarra?
OneSchool Global NSW - Illawarra has about 9.9 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at OneSchool Global NSW - Illawarra?
In 2025, OneSchool Global NSW - Illawarra had 7 students in Year 7 and 15 in Year 12.
Is OneSchool Global NSW - Illawarra co-ed?
Yes. OneSchool Global NSW - Illawarra is a co-educational school enrolling both girls and boys.
What other schools are near OneSchool Global NSW - Illawarra?
There are 10 other schools within 15 km of OneSchool Global NSW - Illawarra 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 OneSchool Global NSW - Illawarra?
The closest Success Tutoring centre is Success Tutoring Campbelltown, about 22 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.