Key Workforce Metrics
St John's Grammar School has 182 staff members (122.8 FTE), including 98 teachers and 84 non-teaching staff.
Student:Teacher Ratio
12.3:1+0.7
At national avg
Teaching Staff
980 FTE
81.8 FTE
Non-Teaching Staff
84
41.0 FTE
Total Staff
182
33% part-time
Staffing Ratio Comparison
How St John's Grammar School's student-to-teacher ratio compares to state and national averages. A lower ratio generally means more individual attention per student.
12.3:1
12.6:1
12.3:1
With a ratio of 12.3:1, this school's ratio is in line with the SA average (12.6:1) and the national average (12.3:1).
Workforce Composition
Classroom Teachers
98
81.8 FTE
Non-Teaching Staff
84
41.0 FTE
Total Workforce
182
122.8 FTE
FTE (full-time equivalent)Headcount (incl. part-time)
Source: ACARA School Profile (2025)
Staffing Trends — 2016–2025
Teaching staff levels and student-to-teacher ratio over time.
FTE Teaching StaffStudent:Teacher RatioNational Avg Ratio
Source: ACARA School Profile (2016–2025)
Staffing History
YearFTE TeachersTotal EnrolmentsStudent:TeacherChange
202581.81,00912.3:1+0.7
202481.895111.6:1-0.3
202377.191411.9:1-0.5
202271.688612.4:1+0.5
202169.082011.9:1+0.2
202066.677711.7:1+0.1
201966.176811.6:1+0.5
201868.876311.1:1-0.5
201767.378211.6:1-0.5
201669.083612.1:1—