Skip to content
S
Catholic schoolCombined Years K-10Co-edOuter Regional

St Mary's Catholic School Wellington

Updated Oct 2026 · ACARA 2025Wellington, New South Wales 2820 · Dubbo LGA

36.2/ 100
Success Index
Lower 50%

#256 of 314 combined schools in NSW
#933 of 1,259 nationally

How is this calculated?
Students
196
+32% over 5 years
ICSEA
956
27th percentile nationally
Students per teacher
10.9
17.9 FTE teachers
Year range
K-10

About St Mary's Catholic School Wellington

St Mary's Catholic School Wellington is a catholic combined (K–12) school located in Wellington, New South Wales (2820), within the Dubbo local government area. It caters for students from K to 10 and in 2025 enrolled 196 students (100 girls and 96 boys). The school is affiliated with Catholic Schools NSW.

St Mary's Catholic School Wellington has an ICSEA value of 956, indicating a socio-educational profile close to the national average of 1000. That places it in the 27th percentile of Australian schools. 14% of students come from the top socio-educational quarter and 33% from the bottom quarter.

The school employs 21 teachers (17.9 full-time equivalent) and 13 non-teaching staff, giving a student-to-teacher ratio of about 10.9 to 1. Enrolments have grown by 32% over the past five years.

On the Success Index, St Mary's Catholic School Wellington scores 36.2 out of 100, placing it in the lower 50% of combined schools nationally and 256th of 314 combined schools in NSW (5th of 6 in the Dubbo area).

Success Index breakdown

Each component is a percentile against schools of the same type across Australia.

  • Socio-educational advantage (ICSEA) (50%)ICSEA 956
  • Students in the top advantage quarter (15%)14% of students
  • Teacher resourcing (students per teacher) (15%)10.9 students per teacher
  • Enrolment growth vs local area (5 years) (10%)+32% enrolments since 2020 (area median +30%)
  • ICSEA trend (5 years) (10%)-25 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.

St Mary's Catholic School Wellington
Bottom quarterLower middleUpper middleTop quarter
Girls
100
Boys
96
Language background other than English
5%
Indigenous students
31%

Enrolments by year level

How St Mary's Catholic School Wellington's 196 students are spread across year levels in 2025.

Kindergarten intake
20
Year 7 cohort
22

Enrolment trend

How enrolments at St Mary's Catholic School Wellington have changed over the past decade.

1151632102015: 139 students2016: 128 students2017: 140 students2018: 134 students2019: 135 students2020: 148 students2021: 157 students2022: 193 students2023: 200 students2024: 195 students2025: 196 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at St Mary's Catholic School Wellington?

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.

  • Personalised learning plan mapped to the Australian Curriculum
  • English & Maths from Kindergarten to Year 12
  • Flexible memberships, no lock-in contracts
  • Your nearest centre: Success Tutoring Penrith

No cost, no obligation. By submitting you agree to be contacted by Success Tutoring about your enquiry. See our privacy policy.

Schools near St Mary's Catholic School Wellington

Closest schools by straight-line distance, with their Success Index.

Similar schools

Catholic combined schools in NSW with a comparable ICSEA.

Frequently asked questions

Is St Mary's Catholic School Wellington a public or private school?

St Mary's Catholic School Wellington is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Schools NSW.

What year levels does St Mary's Catholic School Wellington offer?

St Mary's Catholic School Wellington offers K to 10. It is classified by ACARA as a combined school.

How many students attend St Mary's Catholic School Wellington?

In 2025, St Mary's Catholic School Wellington had 196 enrolled students (100 girls, 96 boys), a change of 32% over five years.

What is the ICSEA of St Mary's Catholic School Wellington?

St Mary's Catholic School Wellington has an ICSEA (Index of Community Socio-Educational Advantage) of 956. 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 St Mary's Catholic School Wellington rank in NSW?

St Mary's Catholic School Wellington ranks 256th of 314 combined schools in New South Wales on the Success Index (36.2/100), and 933rd of 1,259 nationally.

What is the student-to-teacher ratio at St Mary's Catholic School Wellington?

St Mary's Catholic School Wellington has about 10.9 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

How big is the Year 7 cohort at St Mary's Catholic School Wellington?

In 2025, St Mary's Catholic School Wellington had 22 students in Year 7.

Is St Mary's Catholic School Wellington co-ed?

Yes. St Mary's Catholic School Wellington is a co-educational school enrolling both girls and boys.

What other schools are near St Mary's Catholic School Wellington?

There are 3 other schools within 15 km of St Mary's Catholic School Wellington 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 Mary's Catholic School Wellington?

The closest Success Tutoring centre is Success Tutoring Penrith, about 212 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.