Enrolment
Girls vs boys enrolment
1,009
reported total enrolments
474 girls
535 boys
47% girls53% boys
St John's Grammar School reports 1,009 total enrolments, including 474 girls and 535 boys. The reported enrolment mix is 47% girls and 53% boys.
2025 Australia school profile data
St John's Grammar School
St John's Grammar School is a independent combined school in Belair, South Australia, with 1,009 reported enrolments, a student-teacher ratio of 12.3:1, and an ICSEA percentile of 94.
Belair, SA 5052IndependentCombinedR-12
IndependentCombinedCo-educational
Quick school snapshot
What stands out in the profile
School model
St John's Grammar School is listed as Independent and Combined, with a reported year range of R-12.
Enrolment size
The school reports 1,009 total enrolments, including 474 girls and 535 boys where available.
ICSEA context
The ICSEA value is 1,141, with percentile 94 in the current dataset.
Gender profile
The gender type is Co-educational, with a reported mix of 47% girls and 53% boys.
Staff ratio
The student-teacher ratio is 12.3:1, based on 81.8 FTE teaching staff where available.
Local area
The campus is in Belair, South Australia, within Mitcham.
Profile signals
School profile dashboard
The main student and context indicators are shown visually so the profile reads like a school intelligence page, not a spreadsheet.
St John's Grammar School profile summary
St John's Grammar School is listed as a independent combined school in Belair, South Australia. The profile reports 1,009 total enrolments, an ICSEA value of 1,141, and a student-teacher ratio of 12.3:1 where available. The reported year range is R-12, and the campus sits within Mitcham local government area.
Socio-educational
ICSEA percentile
94
percentile where available
ICSEA
1,141
St John's Grammar School sits at the 94 ICSEA percentile in the reported dataset.
SEA quarters
Socio-educational distribution
Bottom
3%
Lower-middle
11%
Upper-middle
30%
Top
56%
The socio-educational distribution lists 3% in the bottom quarter, 11% in the lower-middle quarter, 30% in the upper-middle quarter, and 56% in the top quarter.
Staff
Staff profile summary
Teaching staff
98
FTE teaching
81.8
Non-teaching
84
Student-teacher
12.3:1
The profile reports 98 teaching staff and 84 non-teaching staff, with a student-teacher ratio of 12.3:1.
Location
Campus location and area context
Location context combines suburb, postcode, administrative areas and a direct maps link where data is available.
- Suburb
- Belair
- Postcode
- 5052
- State
- South Australia
- Local government area
- Mitcham
- Statistical Area Level 2
- Belair
- Statistical Area Level 3
- Mitcham
- Statistical Area Level 4
- Adelaide - South
- Remoteness area
- Major Cities
Governance
Governance and official links
Official school and governing body links are included when the dataset provides them.
- Governing body
- Association of Independent Schools of SA
- Governing body URL
- Visit website
- School URL
- Visit school website
- Campus type
- School Head Campus
- Reporting description
- Rolled Reporting
Community
Student community profile
Student community indicators are reported as percentages where available.
- Indigenous enrolment
- 0%
- Language background other than English: yes
- 10%
- Language background other than English: no
- 59%
- Language background other than English: not stated
- 31%
Nearby
Nearby and similar schools
Similar schools are selected from the same suburb first, then from the same local government area where needed.
GovernmentPrimary
Belair Primary School
Belair, SA 5052
Same suburb
- Enrol.
- 490
- ICSEA
- 1,117
- Ratio
- 17.7:1
GovernmentSecondary
Australian Science and Mathematics School
Bedford Park, SA 5042
Same local area
- Enrol.
- 419
- ICSEA
- 1,101
- Ratio
- 10.9:1
GovernmentPrimary
Bellevue Heights Primary School
Bellevue Heights, SA 5050
Same local area
- Enrol.
- 177
- ICSEA
- 1,090
- Ratio
- 16.7:1
GovernmentSecondary
Blackwood High School
Eden Hills, SA 5050
Same local area
- Enrol.
- 1.2K
- ICSEA
- 1,059
- Ratio
- 16.6:1
GovernmentPrimary
Blackwood Primary School
Eden Hills, SA 5050
Same local area
- Enrol.
- 363
- ICSEA
- 1,095
- Ratio
- 17.5:1
CatholicCombined
Cabra Dominican College
Cumberland Park, SA 5041
Same local area
- Enrol.
- 1.2K
- ICSEA
- 1,065
- Ratio
- 14.8:1
FAQ
Questions about St John's Grammar School
How many students attend St John's Grammar School?
St John's Grammar School has 1,009 reported total enrolments. The student profile lists 474 girls and 535 boys where gender enrolment fields are available.
What type of school is St John's Grammar School?
St John's Grammar School is listed as a Independent school with school type Combined. The reported year range is R-12.
Where is St John's Grammar School located?
St John's Grammar School is located in Belair, SA 5052. The local government area is Mitcham.
What is the ICSEA value of St John's Grammar School?
The ICSEA value for St John's Grammar School is 1,141 and the ICSEA percentile is 94. If either value is missing in the source data, it is shown as Not available rather than zero.
Is St John's Grammar School boys-only, girls-only or co-educational?
St John's Grammar School is listed as Co-educational. The reported gender mix is 47% girls and 53% boys where percentage fields are available.
Data note
Built from structured 2025 school profile data
This page uses structured 2025 Australian school profile data. Some values may be unavailable where they are not reported in the source dataset. Profile pages are designed to make enrolment, ICSEA, location and school context easier to compare.