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Independent School

St John's Grammar School

Combined school in Belair, SA

1,009
Students (2025)
1141
ICSEA?Index of Community Socio-Educational Advantage – measures the socio-educational background of students. Based on parents' occupation, education, and school location. National average is 1000.
12:1
Student:Teacher
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About St John's Grammar School

St John's Grammar School is a independent combined school located in Belair, South Australia. The school offers education for students from R-12.

With 1009 students enrolled in 2025 and an ICSEA score of 1141 (94th percentile), the school serves a community with above-average socio-educational advantage. The student-to-teacher ratio of 12:1 supports quality learning outcomes.

📍 Contact & Location

🎓 School Details

  • Type Independent
  • Level Combined (R-12)
  • Gender Co-educational
  • Students (2025) 1,009 enrolled
  • Teaching Staff 98 (81.8 FTE)
  • Non-Teaching Staff 84 (41 FTE)
  • ICSEA?Index of Community Socio-Educational Advantage – measures the socio-educational background of students. Based on parents' occupation, education, and school location. National average is 1000. 1141 (94th percentile)
  • Indigenous Students 0%

📊 Student Demographics

Gender
Boys: 535 (53%)
Girls: 474 (47%)
Language Background
LBOTE: 10%?Language Background Other Than English – students who speak a language other than English at home.
English only: 59%
ICSEA Distribution?Index of Community Socio-Educational Advantage – shows the distribution of students across socio-educational quarters. Based on parents' occupation, education, and school location. National average is 1000.
11%
30%
56%
Bottom 3% Lower 11% Upper 30% Top 56%