AustraliaSABelairSt John's Grammar School

St John's Grammar School

IndependentCombinedR-12
Belair, SA 5052 · Major Cities
Students1,009enrolled
Ratio1:12.3student:teacher
SEIFA10/10advantage decile
Enrolment
1,009
total students
Girls474
Boys535
Year RangeR-12
TypeCombined
St John's

Enrolment Summary

St John's Grammar School has 1,009 students enrolled across 13 year levels as of 2025. Total enrolment increased by 58 students (6.1%) from 2024.

Total Students1,009
Primary358
Secondary651
YoY Change (2024→2025)+58

Enrolment by Year Level — 2025

Pre-Year 1
48+5
Year 1
42-1
Year 2
42-1
Year 3
47-2
Year 4
49-16
Year 5
68+19
Year 6
62-6
Year 7
122+9
Year 8
114-1
Year 9
121+26
Year 10
98-8
Year 11
103+8
Year 12
93+26
20252024
Source: ACARA Enrolments by Grade (2025)

Total Enrolment Over Time

St John's Grammar School enrolment from 2016 to 2025.

68778087396610598361678217763187681977720820218862291423951241,00925
Source: ACARA School Profile (20162025)

Gender Balance

Currently 474 girls (47%) and 535 boys (53%).

47%
53%
649751854957105939336134835535439041043443347444342141541342343047648051853516171819202122232425
GirlsBoys
Source: ACARA School Profile (20162025)

Gender Breakdown by Year

YearGirlsBoysTotalGirls %
20254745351,00947%
202443351895146%
202343448091447%
202241047688646%
202139043082048%
202035442377746%
201935541376846%
201834841576346%
201736142178246%
201639344383647%

Year-on-Year Comparison

Year Level20242025Change
Pre-Y14348+5
Year 14342-1
Year 24342-1
Year 34947-2
Year 46549-16
Year 54968+19
Year 66862-6
Year 7113122+9
Year 8115114-1
Year 995121+26
Year 1010698-8
Year 1195103+8
Year 126793+26
Total9511,009+58
Source: ACARA Enrolments by Grade (20242025)