Grant High School

Grant High School is a government secondary school in Mount Gambier, SA offering U, 7-12. With an ICSEA score of 954, it sits in the 26th percentile nationally and is close to the Australian average of 1,000. The school has 978 enrolled students, with approximately 13 students per teacher. 8% of students identify as Aboriginal or Torres Strait Islander, and 3% have a language background other than English.

Mount Gambier SA 5290. Source: ACARA School Profile 2025.

ICSEA score
954
26th percentile
Enrolments
978
U, 7-12
Students per teacher
13:1
75 teaching staff
Indigenous students
8%
of enrolments
Language background other than English
3%
of enrolments

Valid: 2025 school year · Source: ACARA School Profile 2025

How Grant High School compares

By ICSEA, Grant High School ranks 67th of the 96 secondary schools in SA that report one, counting from the highest. Of the 2 secondary schools within 5 km, it has the highest ICSEA and the largest enrolment. The nearest school is Melaleuca Park Primary School, a government primary school 0.7 km away.

Ranks are calculated by GDP.com.au from ACARA 2025 school profile data. Distances are straight-line from the school's ACARA location. ICSEA describes students' family backgrounds; ACARA notes it is not a rating of the school or its teaching.

ICSEA against the national average

ICSEA (Index of Community Socio-Educational Advantage) measures the socio-educational background of a school's student community. The Australian average is 1,000. Grant High School scores 954, near average.

ICSEA 954Valid: 2025 · Source: ACARA School Profile
Avg 1,000
954
7008501,0001,1501,300

Enrolment and location

We map school zones for Victorian government schools only. For Grant High School, check catchment rules with the school or the SA education department.

Grant High School Location: ACARA School Location 2025

About Mount Gambier

Grant High School is located in Mount Gambier, SA, a suburb with a median household income of $1,197/wk and median rent of $220/wk. Population: 25,591.

Valid: Census 2021 · Source: ABS

Mount Gambier suburb profile

Schools near Grant High School

The 5 nearest schools to Grant High School by straight-line distance, with ICSEA and enrolments from ACARA 2025.
SchoolDistanceICSEAvs Grant High SchoolStudents
McDonald Park SchoolGovernment Primary · Mount Gambier2.4 km948 6 lower379
Reidy Park Primary SchoolGovernment Primary · Mount Gambier2.6 km990 36 higher474
St Martins Lutheran CollegeIndependent Combined · Mount Gambier2.9 km1028 74 higher810
Mount Gambier High SchoolGovernment Secondary · Mount Gambier3.5 km946 8 lower778
Tenison Woods CollegeCatholic Combined · Mount Gambier4.2 km1031 77 higher1,552

Frequently Asked Questions

Is Grant High School a government school?

Yes, Grant High School is a government (public) school.

What year levels does Grant High School offer?

Grant High School offers U, 7-12.

What is Grant High School's ICSEA score?

Grant High School has an ICSEA score of 954, placing it in the 26th percentile nationally. The Australian average is 1,000.

How many students attend Grant High School?

Grant High School has 978 enrolled students, with approximately 13 students per teacher.

What schools are near Grant High School?

The nearest schools to Grant High School are Melaleuca Park Primary School (0.7 km), McDonald Park School (2.4 km), Reidy Park Primary School (2.6 km).

Where is Grant High School located?

Grant High School is located in Mount Gambier, SA 5290. Visit the school website at http://web.granths.sa.edu.au/ghs/.

Grant High School official website