Is Underdale High School a government, Catholic or independent school?

Underdale High School is a government secondary school in South Australia. Its governing body is Department for Education South Australia.

What years does Underdale High School teach?

Underdale High School teaches Years 7 to 12, for boys and girls.

How many students are enrolled at Underdale High School?

Underdale High School had 629 students in 2025, according to ACARA. That is about 13.2 students per full-time-equivalent teacher, which is not the same as class size.

Government secondary school in Underdale

Underdale High School

Underdale High School is a government secondary school for boys and girls, from Year 7 to Year 12, in Underdale, South Australia.

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About the school

What Underdale High School is like

It has 629 students (274 girls and 355 boys) and the equivalent of 47.5 full-time teachers, about 13 students for each teacher.

Compared with the 3 other secondary schools within about 3 km, it is about average in size.

As a government school it is run by the Department for Education South Australia. Tuition is free for Australian citizens and permanent residents, although schools usually ask for a voluntary contribution and charge for some materials and activities. Many government schools have a local enrolment area (catchment), and students who live inside it are guaranteed a place.

Its ICSEA value is 1000, against a national average of 1000. ICSEA describes the educational advantage of the families a school serves, not the quality of the school; read it alongside the school's results on My School.

The nearest private school is Nazareth Catholic College, 0.8 km away. You can enquire with private schools near Underdale in one step.

At a glance

Underdale High School at a glance

Students: 629; 2025
Girls and boys: 44% / 56%; 274 girls, 355 boys
Teachers: 47.5; full-time equivalent
Students per teacher: 13.2 to 1; not the same as class size
Years: Years 7 to 12

School zone: Check an address with school zones and catchment areas (Department for Education South Australia).

Students, staff and years: Source: Australian Curriculum, Assessment and Reporting Authority (ACARA), School Profile 2025. Results are on My School, not here.

Results

NAPLAN results and the school profile

Australian schools are not given inspection grades. Each school’s NAPLAN results, finances, attendance and student background are published by ACARA on My School: Underdale High School on My School.

Government schools are reviewed by the Department for Education South Australia. Ask the school for its most recent annual report, which every Australian school publishes.

Enrolment

How to get a place

Enrol directly with the school. Most government schools have a local enrolment area: if you live inside it your child has a place, and families from outside can apply if there is room. Enrolment for Year 7 usually opens in the year before, through your child's primary school. See our guide to how school enrolment works.

The Department for Education South Australia explains who can enrol where and what to bring: Enrol in a school or preschool (South Australia).

Questions

Common questions about Underdale High School

Is Underdale High School a government, Catholic or independent school?: Underdale High School is a government secondary school in South Australia. Its governing body is Department for Education South Australia.
What years does Underdale High School teach?: Underdale High School teaches Years 7 to 12, for boys and girls.
How many students are enrolled at Underdale High School?: Underdale High School had 629 students in 2025, according to ACARA. That is about 13.2 students per full-time-equivalent teacher, which is not the same as class size.
What is the ICSEA value of Underdale High School?: Underdale High School has an ICSEA value of 1000, against a national average of 1000. ICSEA describes the educational advantage of the families a school serves, not the quality of the school; read it alongside the school's results on My School.

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