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Public schoolHigh school Years 7-12Co-edInner Regional

South Grafton High School

Updated Oct 2026 · ACARA 2025South Grafton, New South Wales 2460 · Clarence Valley LGA

23.3/ 100
Success Index
Lower 50%

#494 of 539 high schools in NSW
#1350 of 1,472 nationally

How is this calculated?
Students
639
-2% over 5 years
ICSEA
875
7th percentile nationally
Students per teacher
10.0
63.7 FTE teachers
Year range
7-12

About South Grafton High School

South Grafton High School is a public high school located in South Grafton, New South Wales (2460), within the Clarence Valley local government area. It caters for students from 7 to 12 and in 2025 enrolled 639 students (309 girls and 330 boys).

South Grafton High School has an ICSEA value of 875, indicating a community facing significant socio-educational disadvantage. That places it in the 7th percentile of Australian schools. 3% of students come from the top socio-educational quarter and 64% from the bottom quarter.

The school employs 59 teachers (63.7 full-time equivalent) and 27 non-teaching staff, giving a student-to-teacher ratio of about 10.0 to 1. Enrolments have remained steady over the past five years.

On the Success Index, South Grafton High School scores 23.3 out of 100, placing it in the lower 50% of secondary schools nationally and 494th of 539 secondary schools in NSW (4th of 4 in the Clarence Valley area).

Success Index breakdown

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

  • Socio-educational advantage (ICSEA) (50%)ICSEA 875
  • Students in the top advantage quarter (15%)3% of students
  • Teacher resourcing (students per teacher) (15%)10.0 students per teacher
  • Enrolment growth vs local area (5 years) (10%)-2% enrolments since 2020 (area median -4%)
  • ICSEA trend (5 years) (10%)-19 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.

South Grafton High School
Bottom quarterLower middleUpper middleTop quarter
Girls
309
Boys
330
Language background other than English
3%
Indigenous students
34%

Enrolments by year level

How South Grafton High School's 639 students are spread across year levels in 2025.

Year 7 cohort
111
Year 12 cohort
62

Enrolment trend

How enrolments at South Grafton High School have changed over the past decade.

4696277842015: 747 students2016: 613 students2017: 546 students2018: 521 students2019: 564 students2020: 651 students2021: 711 students2022: 729 students2023: 712 students2024: 695 students2025: 639 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at South Grafton High School?

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 Mount Gravatt East

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Schools near South Grafton High School

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

Similar schools

Government secondary schools in NSW with a comparable ICSEA.

Frequently asked questions

Is South Grafton High School a public or private school?

South Grafton High School is a public (government) school run by the New South Wales education department.

What year levels does South Grafton High School offer?

South Grafton High School offers 7 to 12. It is classified by ACARA as a secondary school.

How many students attend South Grafton High School?

In 2025, South Grafton High School had 639 enrolled students (309 girls, 330 boys), a change of -2% over five years.

What is the ICSEA of South Grafton High School?

South Grafton High School has an ICSEA (Index of Community Socio-Educational Advantage) of 875. The national average is 1000, so this indicates a community facing significant socio-educational disadvantage. ICSEA reflects the school community, not teaching quality.

How does South Grafton High School rank in NSW?

South Grafton High School ranks 494th of 539 secondary schools in New South Wales on the Success Index (23.3/100), and 1350th of 1,472 nationally.

What is the student-to-teacher ratio at South Grafton High School?

South Grafton High School has about 10.0 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

How big is the Year 7 cohort at South Grafton High School?

In 2025, South Grafton High School had 111 students in Year 7 and 62 in Year 12.

Is South Grafton High School co-ed?

Yes. South Grafton High School is a co-educational school enrolling both girls and boys.

What other schools are near South Grafton High School?

There are 10 other schools within 15 km of South Grafton High 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 South Grafton High School?

The closest Success Tutoring centre is Success Tutoring Mount Gravatt East, about 243 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.