Skip to content
S
Independent schoolCombined Years R-12Co-edMajor Cities

Tatachilla Lutheran College

Updated Oct 2026 · ACARA 2025Mclaren Vale, South Australia 5171 · Onkaparinga LGA

55.6/ 100
Success Index
Top 50%

#41 of 145 combined schools in SA
#540 of 1,259 nationally

How is this calculated?
Students
1,103
+1% over 5 years
ICSEA
1068
75th percentile nationally
Students per teacher
12.5
88.2 FTE teachers
Year range
R-12

About Tatachilla Lutheran College

Tatachilla Lutheran College is an independent combined (K–12) school located in Mclaren Vale, South Australia (5171), within the Onkaparinga local government area. It caters for students from R to 12 and in 2025 enrolled 1,103 students (566 girls and 537 boys). The school is affiliated with Lutheran Education SA, NT & WA.

Tatachilla Lutheran College has an ICSEA value of 1068, indicating above-average socio-educational advantage. That places it in the 75th percentile of Australian schools. 25% of students come from the top socio-educational quarter and 12% from the bottom quarter.

The school employs 101 teachers (88.2 full-time equivalent) and 63 non-teaching staff, giving a student-to-teacher ratio of about 12.5 to 1. Enrolments have remained steady over the past five years.

On the Success Index, Tatachilla Lutheran College scores 55.6 out of 100, placing it in the top 50% of combined schools nationally and 41st of 145 combined schools in SA (3rd of 9 in the Onkaparinga area).

Success Index breakdown

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

  • Socio-educational advantage (ICSEA) (50%)ICSEA 1068
  • Students in the top advantage quarter (15%)25% of students
  • Teacher resourcing (students per teacher) (15%)12.5 students per teacher
  • Enrolment growth vs local area (5 years) (10%)+1% enrolments since 2020 (area median +11%)
  • ICSEA trend (5 years) (10%)+3 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.

Tatachilla Lutheran College
Bottom quarterLower middleUpper middleTop quarter
Girls
566
Boys
537
Language background other than English
4%
Indigenous students
2%

Enrolments by year level

How Tatachilla Lutheran College's 1,103 students are spread across year levels in 2025.

Reception intake
51
Year 7 cohort
123
Year 12 cohort
102

Enrolment trend

How enrolments at Tatachilla Lutheran College have changed over the past decade.

9631,0801,1972015: 1,116 students2016: 1,091 students2017: 1,071 students2018: 1,070 students2019: 1,089 students2020: 1,092 students2021: 1,133 students2022: 1,140 students2023: 1,094 students2024: 1,091 students2025: 1,103 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at Tatachilla Lutheran College?

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 Windsor Gardens

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

Schools near Tatachilla Lutheran College

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

Similar schools

Independent combined schools in SA with a comparable ICSEA.

Frequently asked questions

Is Tatachilla Lutheran College a public or private school?

Tatachilla Lutheran College is a Independent school, which makes it a non-government (private) school affiliated with Lutheran Education SA, NT & WA.

What year levels does Tatachilla Lutheran College offer?

Tatachilla Lutheran College offers R to 12. It is classified by ACARA as a combined school.

How many students attend Tatachilla Lutheran College?

In 2025, Tatachilla Lutheran College had 1,103 enrolled students (566 girls, 537 boys), a change of 1% over five years.

What is the ICSEA of Tatachilla Lutheran College?

Tatachilla Lutheran College has an ICSEA (Index of Community Socio-Educational Advantage) of 1068. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.

How does Tatachilla Lutheran College rank in SA?

Tatachilla Lutheran College ranks 41st of 145 combined schools in South Australia on the Success Index (55.6/100), and 540th of 1,259 nationally.

What is the student-to-teacher ratio at Tatachilla Lutheran College?

Tatachilla Lutheran College has about 12.5 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

How big is the Year 7 cohort at Tatachilla Lutheran College?

In 2025, Tatachilla Lutheran College had 123 students in Year 7 and 102 in Year 12.

Is Tatachilla Lutheran College co-ed?

Yes. Tatachilla Lutheran College is a co-educational school enrolling both girls and boys.

What other schools are near Tatachilla Lutheran College?

There are 10 other schools within 15 km of Tatachilla Lutheran College 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 Tatachilla Lutheran College?

The closest Success Tutoring centre is Success Tutoring Windsor Gardens, about 42 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.