IndependentCombinedYears Prep-11· Outer Regional

Blackheath and Thornburgh College

Charters Towers, QLD 4820 · Independent Schools Queensland

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ICSEA

965

31th percentile nationally

Around average

Total enrolments

379

Combined

Student–teacher ratio

10:1

38.3 FTE teachers

Gender mix

53% / 47%

girls / boys

Language background

22%

non-English at home

Socio-educational advantage

Share of students in each national SEA quarter (bottom = most disadvantaged, top = most advantaged).

Bottom: 32%
Lower-mid: 37%
Upper-mid: 21%
Top: 10%

Source: ACARA My School 2025. ICSEA reflects the socio-educational background of a school's students — not academic results or teaching quality. National average = 1000. See data sources.