Top 100 schools with the best student–teacher ratio in South Australia (2025)

Schools with 200+ students and the fewest full-time-equivalent students per full-time-equivalent teacher. Ordered by the measure shown, with the Success Index for context; 100 schools shown out of all eligible schools with the best student–teacher ratio in South Australia.

#	School	Sector	Students : teacher	Success Index	ICSEA	Students	Students : teacher
1	Adelaide Secondary School of English West Croydon · Secondary · U	Government	6.6	56.3 Top 50%	961	487	6.6
2	St George College Mile End · Combined · R-12	Independent	8.2	63.7 Top 50%	1046	350	8.2
3	Christie Downs Primary School Christie Downs · Primary · U, R-6	Government	8.3	36.7 Lower 50%	925	205	8.3
4	Prince Alfred College Kent Town · Combined · R-12	Independent	8.5	78.0 Top 10%	1143	1,127	8.5
5	Pulteney Grammar School Adelaide · Combined · R-12	Independent	8.6	86.7 Top 5%	1170	839	8.6
6	Springbank Secondary College Pasadena · Secondary · U, 7-12	Government	8.8	69.2 Top 25%	1021	249	8.8
7	Walford Anglican School for Girls Hyde Park · Combined · R-12	Independent	9.1	78.4 Top 10%	1162	400	9.1
8	Ngutu College Woodville North · Combined · R-11	Independent	9.4	33.8 Lower 50%	909	260	9.4
9	Moonta Area School Moonta · Combined · U, R-12	Government	9.4	29.0 Lower 50%	924	253	9.4
10	Avenues College Windsor Gardens · Combined · U, R-12	Government	9.4	30.7 Lower 50%	929	493	9.4
11	Pembroke School Kensington Park · Combined · R-12	Independent	9.5	80.7 Top 10%	1171	1,672	9.5
12	Specialised Assistance School For Youth (SASY) Adelaide · Secondary · 8-12	Independent	9.5	68.8 Top 25%	1026	205	9.5
13	Prescott College Prospect · Secondary · 7-12	Independent	9.6	55.0 Top 50%	1016	206	9.6
14	Immanuel College Novar Gardens · Secondary · 7-12	Independent	9.7	82.2 Top 5%	1117	1,184	9.7
15	Elizabeth Vale Primary School Elizabeth Vale · Primary · U, R-6	Government	10.1	33.5 Lower 50%	889	441	10.1
16	Thebarton Senior College Torrensville · Secondary · U, 11-12	Government	10.3	37.1 Lower 50%	951	1,284	10.3
17	St Peter's College St Peters · Combined · R-12	Independent	10.4	83.2 Top 5%	1164	1,585	10.4
18	Westminster School Marion · Combined · R-12	Independent	10.5	77.8 Top 10%	1139	1,401	10.5
19	Ceduna Area School Ceduna · Combined · U, R-12	Government	10.5	23.6 Lower 50%	859	448	10.5
20	Pennington School R-6 Pennington · Primary · U, R-6	Government	10.6	31.1 Lower 50%	934	262	10.6
21	Elizabeth East Primary School Elizabeth East · Primary · U, R-6	Government	10.7	22.4 Lower 50%	875	200	10.7
22	St Andrew's School Walkerville · Primary · R-6	Independent	10.7	92.3 Top 5%	1191	376	10.7
23	Hendon Primary School Royal Park · Primary · U, R-6	Government	10.7	39.2 Lower 50%	965	270	10.7
24	St Patrick's Technical College Edinburgh North · Secondary · 10-12	Catholic	10.7	49.6 Lower 50%	998	260	10.7
25	Australian Science and Mathematics School Bedford Park · Secondary · 10-12	Government	10.7	81.1 Top 5%	1101	419	10.7
26	Tyndale Christian School Murray Bridge Murray Bridge · Combined · R-12	Independent	10.7	37.5 Lower 50%	940	263	10.7
27	Ingle Farm Primary School Ingle Farm · Primary · U, R-6	Government	10.8	47.3 Lower 50%	967	454	10.8
28	Yorketown Area School Yorketown · Combined · R-12	Government	10.8	32.3 Lower 50%	940	220	10.8
29	Berri Primary School Berri · Primary · U, R-6	Government	10.8	33.1 Lower 50%	923	250	10.8
30	Seymour College Glen Osmond · Combined · R-12	Independent	10.8	76.2 Top 25%	1150	715	10.8
31	Open Access College Marden · Combined · U, R-12	Government	10.8	44.7 Lower 50%	1017	4,028	10.8
32	St Mary's College Adelaide · Combined · R-12	Catholic	10.8	56.4 Top 50%	1073	659	10.8
33	Mount Barker Waldorf School Mount Barker · Combined · R-12	Independent	10.8	66.7 Top 25%	1087	321	10.8
34	Mary MacKillop College Kensington · Secondary · 7-12	Catholic	10.8	75.5 Top 25%	1077	291	10.8
35	Minlaton District School Minlaton · Combined · R-12	Government	10.8	34.0 Lower 50%	965	268	10.8
36	Southern Vales Christian College Morphett Vale · Combined · R-12	Independent	10.8	47.4 Lower 50%	1038	503	10.8
37	Loreto College Marryatville · Combined · R-12	Catholic	10.9	68.7 Top 25%	1098	717	10.9
38	Port Augusta Secondary School Port Augusta · Secondary · U, 7-12	Government	11.0	20.9 Lower 50%	848	662	11.0
39	Navigator College Port Lincoln · Combined · R-12	Independent	11.0	47.9 Top 50%	1013	466	11.0
40	Scotch College Torrens Park · Combined · R-12	Independent	11.0	75.5 Top 25%	1146	1,213	11.0
41	Wilderness School Medindie · Combined · R-12	Independent	11.1	83.0 Top 5%	1176	856	11.1
42	Keller Road Primary School Salisbury East · Primary · U, R-6	Government	11.1	39.7 Lower 50%	941	239	11.1
43	Blair Athol North B-6 School Blair Athol · Primary · U, R-6	Government	11.1	33.0 Lower 50%	918	383	11.1
44	Findon High School Findon · Secondary · U, 7-12	Government	11.1	56.0 Top 50%	978	467	11.1
45	Faith Lutheran College Tanunda · Combined · R-12	Independent	11.2	58.3 Top 50%	1060	816	11.2
46	Cummins Area School Cummins · Combined · R-12	Government	11.2	36.5 Lower 50%	994	382	11.2
47	Saint Ignatius' College Athelstone · Combined · R-12	Catholic	11.2	77.6 Top 10%	1151	1,421	11.2
48	Ocean View P-12 College Taperoo · Combined · U, R-12	Government	11.2	27.0 Lower 50%	918	629	11.2
49	Kingston Community School Kingston Se · Combined · R-12	Government	11.3	33.9 Lower 50%	961	330	11.3
50	Mid North Christian College Port Pirie · Combined · R-12	Independent	11.3	43.2 Lower 50%	998	203	11.3
51	Riverdale Primary School Salisbury Downs · Primary · U, R-6	Government	11.4	33.3 Lower 50%	937	241	11.4
52	Trinity College Senior Evanston South · Secondary · 11-12	Independent	11.4	58.9 Top 50%	1025	669	11.4
53	Kadina Memorial School Kadina · Combined · U, R-12	Government	11.4	33.7 Lower 50%	951	1,184	11.4
54	Elizabeth Grove Primary School Elizabeth Grove · Primary · R-6	Government	11.4	32.0 Lower 50%	902	249	11.4
55	St Peter's Collegiate Girls' School Stonyfell · Combined · R-12	Independent	11.4	84.5 Top 5%	1180	873	11.4
56	Munno Para Primary School Munno Para · Primary · U, R-6	Government	11.5	33.4 Lower 50%	929	305	11.5
57	Millicent High School Millicent · Secondary · 7-12	Government	11.5	19.6 Lower 50%	926	349	11.5
58	Le Fevre Peninsula Primary School Birkenhead · Primary · U, R-6	Government	11.5	22.1 Lower 50%	902	232	11.5
59	Mannum Community College Mannum · Combined · R-12	Government	11.5	31.6 Lower 50%	936	398	11.5
60	Victor Harbor High School Victor Harbor · Secondary · U, 7-12	Government	11.5	41.1 Lower 50%	974	633	11.5
61	Murray Bridge North School Murray Bridge · Primary · U, R-6	Government	11.5	33.9 Lower 50%	924	486	11.5
62	St Aloysius College Adelaide · Combined · R-12	Catholic	11.6	59.5 Top 50%	1081	1,091	11.6
63	Port Pirie West Primary School Port Pirie · Primary · R-6	Government	11.6	24.0 Lower 50%	873	201	11.6
64	Endeavour College Mawson Lakes · Secondary · 7-12	Independent	11.6	71.4 Top 25%	1083	738	11.6
65	Elizabeth Park Primary School Elizabeth Park · Primary · U, R-6	Government	11.6	29.3 Lower 50%	862	312	11.6
66	Ingle Farm East Primary School Ingle Farm · Primary · U, R-6	Government	11.7	54.4 Top 50%	981	268	11.7
67	Oakbank School Oakbank · Combined · R-12	Government	11.7	35.4 Lower 50%	993	337	11.7
68	Gleeson College Golden Grove · Secondary · 7-12	Catholic	11.7	68.3 Top 25%	1055	941	11.7
69	Clovelly Park Primary School Clovelly Park · Primary · U, R-6	Government	11.7	64.5 Top 50%	1038	222	11.7
70	Streaky Bay Area School Streaky Bay · Combined · U, R-12	Government	11.8	35.0 Lower 50%	977	276	11.8
71	Thomas More College Salisbury Downs · Secondary · 7-12	Catholic	11.8	39.6 Lower 50%	973	1,132	11.8
72	Swallowcliffe School P-6 Davoren Park · Primary · U, R-6	Government	11.8	34.9 Lower 50%	917	423	11.8
73	Annesley College Wayville · Primary · R-6	Independent	11.9	91.3 Top 5%	1164	292	11.9
74	Horizon Christian School Balaklava · Combined · R-12	Independent	11.9	44.5 Lower 50%	989	515	11.9
75	Goolwa Secondary College Goolwa · Secondary · 7-12	Government	11.9	32.6 Lower 50%	957	285	11.9
76	Playford International College Elizabeth · Secondary · U, 7-12	Government	11.9	17.6 Lower 50%	881	1,322	11.9
77	University Senior College at Adelaide University Adelaide University · Secondary · 10-12	Independent	11.9	75.1 Top 25%	1092	523	11.9
78	Mercedes College Springfield · Combined · R-12	Catholic	12.0	67.4 Top 25%	1133	1,111	12.0
79	St Dominic's Priory College North Adelaide · Combined · R-12	Catholic	12.0	61.9 Top 50%	1080	658	12.0
80	Clare High School Clare · Secondary · U, 7-12	Government	12.0	42.0 Lower 50%	994	428	12.0
81	Salisbury Park Primary School Salisbury Park · Primary · U, R-6	Government	12.0	36.2 Lower 50%	960	220	12.0
82	Our Lady of the Visitation School Taperoo · Primary · R-6	Catholic	12.0	65.0 Top 50%	1026	320	12.0
83	St Martins Lutheran College Mount Gambier · Combined · R-12	Independent	12.1	49.7 Top 50%	1028	810	12.1
84	Prescott College Southern Morphett Vale · Combined · R-12	Independent	12.1	47.4 Lower 50%	1036	707	12.1
85	John Pirie Secondary School Port Pirie · Secondary · U, 7-12	Government	12.1	27.6 Lower 50%	894	691	12.1
86	Cleve Area School Cleve · Combined · R-12	Government	12.2	38.1 Lower 50%	988	324	12.2
87	Christies Beach High School Christie Downs · Secondary · U, 7-12	Government	12.2	23.2 Lower 50%	905	789	12.2
88	St Francis of Assisi College Renmark · Secondary · 7-11	Catholic	12.2	51.0 Top 50%	1004	228	12.2
89	Woodville Gardens School Birth-6 Woodville Gardens · Primary · U, R-6	Government	12.2	48.9 Lower 50%	983	478	12.2
90	Port Lincoln High School Port Lincoln · Secondary · U, 7-12	Government	12.2	26.7 Lower 50%	923	767	12.2
91	Concordia College Highgate · Combined · R-12	Independent	12.2	73.9 Top 25%	1140	1,312	12.2
92	Maitland Lutheran School Maitland · Combined · R-12	Independent	12.3	43.7 Lower 50%	984	480	12.3
93	Tenison Woods College Mount Gambier · Combined · R-12	Catholic	12.3	50.9 Top 50%	1031	1,552	12.3
94	Elizabeth Downs Primary School Elizabeth Downs · Primary · U, R-6	Government	12.3	37.2 Lower 50%	904	420	12.3
95	Le Fevre High School Semaphore South · Secondary · U, 7-12	Government	12.3	25.6 Lower 50%	951	456	12.3
96	Kangaroo Island Community Education Kingscote · Combined · R-12	Government	12.3	41.1 Lower 50%	998	710	12.3
97	Investigator College Victor Harbor · Combined · R-12	Independent	12.3	60.9 Top 50%	1065	668	12.3
98	Mark Oliphant College (B-12) Munno Para West · Combined · U, R-12	Government	12.3	23.2 Lower 50%	919	1,685	12.3
99	Christian Brothers College Adelaide · Combined · R-12	Catholic	12.3	61.2 Top 50%	1074	990	12.3
100	Caritas College Port Augusta West · Combined · R-12	Catholic	12.3	38.2 Lower 50%	995	541	12.3

There are 430 schools with the best student–teacher ratio in South Australia eligible for this list; the top 100 are shown. Adelaide Secondary School of English in West Croydon is ranked first (students : teacher: 6.6). 53 of the top 100 are government schools and 47 are Catholic or independent; the median ICSEA across the list is 991.

The top 10 schools with the best student–teacher ratio in South Australia for 2025 are: 1. Adelaide Secondary School of English (West Croydon); 2. St George College (Mile End); 3. Christie Downs Primary School (Christie Downs); 4. Prince Alfred College (Kent Town); 5. Pulteney Grammar School (Adelaide); 6. Springbank Secondary College (Pasadena); 7. Walford Anglican School for Girls (Hyde Park); 8. Ngutu College (Woodville North); 9. Moonta Area School (Moonta); 10. Avenues College (Windsor Gardens).

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Schools With the Best Student–Teacher Ratio in:Australia Adelaide

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Frequently asked questions

What is the best lowest ratio school in South Australia?

Adelaide Secondary School of English in West Croydon ranks first among schools with the best student–teacher ratio in South Australia with a Success Index of 56.3 out of 100 and an ICSEA of 961.

How are schools with the best student–teacher ratio in South Australia ranked?

Schools with 200+ students and the fewest full-time-equivalent students per full-time-equivalent teacher. Only schools eligible for the Success Index (ICSEA published, 80+ students, not a special school) are included; the Success Index is shown alongside for context.

How many public schools are in the top 100 schools with the best student–teacher ratio in South Australia?

53 of the top 100 schools with the best student–teacher ratio in South Australia are government schools; 47 are Catholic or independent.

Do these rankings include NAPLAN or ATAR results?

Not yet. ACARA does not publish school-level NAPLAN results in bulk, and ATAR results are released by state authorities in different formats. The Success Index uses the measures ACARA publishes for every school so that all schools are compared on identical data. Where a school publishes its own results we link to its website.