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Public schoolCombined Years T-11Co-edVery Remote

Alyarrmandumanja Umbakumba School

Updated Oct 2026 · ACARA 2025Umbakumba, Northern Territory 0822 · Groote Archipelago LGA

21.7/ 100
Success Index
Lower 50%

Scored but not ranked: fewer than 80 students.

How is this calculated?
Students
49
-11% over 5 years
ICSEA
591
0th percentile nationally
Students per teacher
5.6
8.8 FTE teachers
Year range
T-11

About Alyarrmandumanja Umbakumba School

Alyarrmandumanja Umbakumba School is a public combined (K–12) school located in Umbakumba, Northern Territory (0822), within the Groote Archipelago local government area. It caters for students from T to 11 and in 2025 enrolled 49 students (21 girls and 28 boys).

Alyarrmandumanja Umbakumba School has an ICSEA value of 591, indicating a community facing significant socio-educational disadvantage. That places it in the 0th percentile of Australian schools. 2% of students come from the top socio-educational quarter and 95% from the bottom quarter.

The school employs 9 teachers (8.8 full-time equivalent) and 1 non-teaching staff, giving a student-to-teacher ratio of about 5.6 to 1. Enrolments have fallen by 11% over the past five years.

On the Success Index, Alyarrmandumanja Umbakumba School scores 21.7 out of 100. Because it has fewer than 80 students it is not included in ranking tables, where small enrolments make year-to-year comparisons unreliable.

Success Index breakdown

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

  • Socio-educational advantage (ICSEA) (50%)ICSEA 591
  • Students in the top advantage quarter (15%)2% of students
  • Teacher resourcing (students per teacher) (15%)5.6 students per teacher
  • Enrolment growth vs local area (5 years) (10%)-11% enrolments since 2020
  • ICSEA trend (5 years) (10%)+107 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.

Alyarrmandumanja Umbakumba School
Bottom quarterLower middleUpper middleTop quarter
Girls
21
Boys
28
Language background other than English
96%
Indigenous students
98%

Enrolments by year level

How Alyarrmandumanja Umbakumba School's 49 students are spread across year levels in 2025.

Transition intake
6
Year 7 cohort
4

Enrolment trend

How enrolments at Alyarrmandumanja Umbakumba School have changed over the past decade.

41751102015: 105 students2016: 80 students2017: 74 students2018: 48 students2019: 50 students2020: 55 students2021: 49 students2022: 47 students2023: 45 students2024: 45 students2025: 49 students201520172019202120232025
Total enrolments by year. Source: ACARA school profile data.

Free academic assessment

Is your child on track at Alyarrmandumanja Umbakumba 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 North Lakes

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

Similar schools

Government combined schools in NT with a comparable ICSEA.

Frequently asked questions

Is Alyarrmandumanja Umbakumba School a public or private school?

Alyarrmandumanja Umbakumba School is a public (government) school run by the Northern Territory education department.

What year levels does Alyarrmandumanja Umbakumba School offer?

Alyarrmandumanja Umbakumba School offers T to 11. It is classified by ACARA as a combined school.

How many students attend Alyarrmandumanja Umbakumba School?

In 2025, Alyarrmandumanja Umbakumba School had 49 enrolled students (21 girls, 28 boys), a change of -11% over five years.

What is the ICSEA of Alyarrmandumanja Umbakumba School?

Alyarrmandumanja Umbakumba School has an ICSEA (Index of Community Socio-Educational Advantage) of 591. The national average is 1000, so this indicates a community facing significant socio-educational disadvantage. ICSEA reflects the school community, not teaching quality.

What is the student-to-teacher ratio at Alyarrmandumanja Umbakumba School?

Alyarrmandumanja Umbakumba School has about 5.6 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.

How big is the Year 7 cohort at Alyarrmandumanja Umbakumba School?

In 2025, Alyarrmandumanja Umbakumba School had 4 students in Year 7.

Is Alyarrmandumanja Umbakumba School co-ed?

Yes. Alyarrmandumanja Umbakumba School is a co-educational school enrolling both girls and boys.

Where can I get tutoring near Alyarrmandumanja Umbakumba School?

The closest Success Tutoring centre is Success Tutoring North Lakes, about 2244 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.