Top 100 largest schools in Australia (2025)

Schools with the highest total enrolments. Ordered by the measure shown, with the Success Index for context; 100 schools shown out of all eligible largest schools in Australia.

#	School	Sector	Students	Success Index	ICSEA	Students	Students : teacher
1	King's Christian College Reedy Creek QLD · Combined · Prep-12	Independent	5,166	57.0 Top 50%	1074	5,166	15.0
2	Haileybury College Keysborough VIC · Combined · Prep-12	Independent	4,880	83.7 Top 5%	1191	4,880	9.9
3	Open Access College Marden SA · Combined · U, R-12	Government	4,028	44.7 Lower 50%	1017	4,028	10.8
4	Marsden State High School Waterford West QLD · Secondary · 7-12	Government	3,857	27.5 Lower 50%	943	3,857	14.8
5	Bacchus Marsh Grammar Bacchus Marsh VIC · Combined · Prep-12	Independent	3,826	74.1 Top 25%	1115	3,826	12.9
6	Mansfield State High School Mansfield QLD · Secondary · 7-12	Government	3,807	75.6 Top 25%	1116	3,807	15.6
7	Kelvin Grove State College Kelvin Grove QLD · Combined · Prep-12	Government	3,617	67.8 Top 25%	1135	3,617	13.8
8	Brisbane State High School South Brisbane QLD · Secondary · 7-12	Government	3,594	72.5 Top 25%	1145	3,594	15.6
9	Stretton State College Stretton QLD · Combined · Prep-12	Government	3,578	57.8 Top 50%	1068	3,578	14.3
10	Caulfield Grammar School St Kilda East VIC · Combined · Prep-12	Independent	3,555	87.8 Top 5%	1157	3,555	9.1
11	Malek Fahd Islamic School Greenacre NSW · Combined · K-12	Independent	3,352	53.7 Top 50%	1063	3,352	14.6
12	Knox Grammar School Wahroonga NSW · Combined · K-12	Independent	3,345	82.8 Top 5%	1187	3,345	11.5
13	Alamanda K-9 College Point Cook VIC · Combined · Prep-9	Government	3,335	68.9 Top 25%	1141	3,335	16.9
14	Varsity College Varsity Lakes QLD · Combined · Prep-12	Government	3,304	51.1 Top 50%	1065	3,304	14.2
15	Sirius College Broadmeadows VIC · Combined · Prep-12	Independent	3,284	66.0 Top 25%	1088	3,284	12.7
16	Wesley College Melbourne VIC · Combined · Prep-12	Independent	3,181	88.2 Top 5%	1172	3,181	7.7
17	Mckinnon Secondary College Mckinnon VIC · Secondary · 7-12	Government	3,052	78.1 Top 10%	1118	3,052	13.0
18	Beaconhills College Pakenham VIC · Combined · Prep-12	Independent	2,965	43.5 Lower 50%	1035	2,965	12.7
19	Hume Anglican Grammar Mickleham VIC · Combined · Prep-12	Independent	2,948	66.4 Top 25%	1095	2,948	15.0
20	Minaret College Springvale VIC · Combined · Prep-12	Independent	2,929	52.3 Top 50%	998	2,929	10.2
21	Indooroopilly State High School Indooroopilly QLD · Secondary · 7-12	Government	2,924	80.3 Top 5%	1138	2,924	13.3
22	Penleigh & Essendon Grammar School Keilor East VIC · Combined · Prep-12	Independent	2,913	85.3 Top 5%	1173	2,913	10.2
23	Manor Lakes P-12 College Wyndham Vale VIC · Combined · Prep-12	Government	2,881	37.7 Lower 50%	996	2,881	12.7
24	Ilim College Dallas VIC · Combined · Prep-12	Independent	2,868	54.1 Top 50%	1024	2,868	9.8
25	Barker College Hornsby NSW · Combined · K-12	Independent	2,856	80.3 Top 10%	1166	2,856	10.1
26	Rossmoyne Senior High School Rossmoyne WA · Secondary · 7-12	Government	2,824	78.0 Top 10%	1135	2,824	15.9
27	Palm Beach-Currumbin State High School Palm Beach QLD · Secondary · 7-12	Government	2,819	51.4 Top 50%	1022	2,819	14.3
28	St Francis Xavier College Beaconsfield VIC · Secondary · 7-12	Catholic	2,797	61.1 Top 50%	1043	2,797	12.0
29	Mount Ridley P-12 College Craigieburn VIC · Combined · Prep-12	Government	2,788	32.0 Lower 50%	969	2,788	12.6
30	Willetton Senior High School Willetton WA · Secondary · 7-12	Government	2,767	77.4 Top 10%	1131	2,767	16.4
31	Shenton College Shenton Park WA · Secondary · 7-12	Government	2,757	76.7 Top 10%	1160	2,757	15.9
32	Al-Taqwa College Truganina VIC · Combined · Prep-12	Independent	2,617	63.7 Top 50%	1069	2,617	12.3
33	Chancellor State College Sippy Downs QLD · Combined · Prep-12	Government	2,609	46.5 Lower 50%	1042	2,609	13.0
34	Amity College Prestons NSW · Combined · K-12	Independent	2,588	67.5 Top 25%	1096	2,588	12.9
35	Nazareth Catholic College Flinders Park SA · Combined · R-12	Catholic	2,576	53.8 Top 50%	1049	2,576	13.2
36	Carey Baptist Grammar School Kew VIC · Combined · Prep-12	Independent	2,564	88.7 Top 5%	1177	2,564	8.2
37	Carine Senior High School Carine WA · Secondary · 7-12	Government	2,545	75.7 Top 25%	1105	2,545	16.4
38	Padua College Mornington VIC · Secondary · 7-12	Catholic	2,534	60.6 Top 50%	1064	2,534	13.4
39	Emmanuel College Altona North VIC · Secondary · 7-12	Catholic	2,533	76.5 Top 10%	1079	2,533	12.3
40	Xavier College Gawler Belt SA · Combined · R-12	Catholic	2,532	38.2 Lower 50%	1001	2,532	14.0
41	Australian Christian College - Marsden Park Riverstone NSW · Combined · K-12	Independent	2,523	69.4 Top 25%	1101	2,523	19.7
42	Pymble Ladies' College Pymble NSW · Combined · K-12	Independent	2,501	83.6 Top 5%	1178	2,501	8.9
43	Ivanhoe Grammar School Ivanhoe VIC · Combined · Prep-12	Independent	2,500	85.8 Top 5%	1169	2,500	10.4
44	Kawana Waters State College Bokarina QLD · Combined · Prep-12	Government	2,495	55.1 Top 50%	1034	2,495	12.4
45	Marymede Catholic College South Morang VIC · Combined · Prep-12	Catholic	2,467	56.6 Top 50%	1069	2,467	14.0
46	Calamvale Community College Calamvale QLD · Combined · Prep-12	Government	2,461	42.8 Lower 50%	1026	2,461	13.9
47	Glen Waverley Secondary College Glen Waverley VIC · Secondary · 7-12	Government	2,417	79.9 Top 5%	1124	2,417	13.4
48	Al Noori Muslim School Greenacre NSW · Combined · K-12	Independent	2,407	59.4 Top 50%	1086	2,407	17.5
49	North Lakes State College North Lakes QLD · Combined · Prep-12	Government	2,407	38.3 Lower 50%	1018	2,407	12.7
50	Narre Warren South P-12 College Narre Warren South VIC · Combined · Prep-12	Government	2,404	22.6 Lower 50%	918	2,404	11.3
51	Waverley Christian College Wantirna South VIC · Combined · Prep-12	Independent	2,370	71.4 Top 25%	1141	2,370	12.6
52	Kambrya College Berwick VIC · Secondary · 7-12	Government	2,369	67.7 Top 25%	1045	2,369	13.5
53	Heathdale Christian College Werribee VIC · Combined · Prep-12	Independent	2,367	70.7 Top 25%	1139	2,367	13.4
54	Beenleigh State High School Beenleigh QLD · Secondary · 7-12	Government	2,358	23.3 Lower 50%	928	2,358	13.5
55	Glenunga International High School Glenunga SA · Secondary · 7-12	Government	2,340	80.9 Top 5%	1153	2,340	14.9
56	St Peters Lutheran College Indooroopilly QLD · Combined · Prep-12	Independent	2,330	83.8 Top 5%	1183	2,330	11.1
57	The Ponds High School The Ponds NSW · Secondary · 7-12	Government	2,321	79.4 Top 10%	1118	2,321	15.2
58	Harrisdale Senior High School Harrisdale WA · Secondary · 7-12	Government	2,303	72.4 Top 25%	1072	2,303	15.2
59	Cleveland District State High School Cleveland QLD · Secondary · 7-12	Government	2,302	54.7 Top 50%	1026	2,302	13.9
60	Trinity Grammar School Summer Hill NSW · Combined · K-12	Independent	2,296	82.2 Top 10%	1168	2,296	9.0
61	Al-Faisal College Auburn NSW · Combined · K-12	Independent	2,282	56.7 Top 50%	1077	2,282	15.8
62	Balwyn High School Balwyn North VIC · Secondary · 7-12	Government	2,260	84.8 Top 5%	1141	2,260	12.2
63	Cardijn College Noarlunga Downs SA · Combined · R-12	Catholic	2,247	44.1 Lower 50%	1019	2,247	13.2
64	Oakhill College Castle Hill NSW · Secondary · 7-12	Independent	2,242	77.4 Top 10%	1124	2,242	14.9
65	John Paul College Daisy Hill QLD · Combined · Prep-12	Independent	2,235	67.8 Top 25%	1117	2,235	15.2
66	Hillcrest Christian College Clyde North VIC · Combined · Prep-12	Independent	2,231	67.0 Top 25%	1106	2,231	13.8
67	Southport State High School Southport QLD · Secondary · 7-12	Government	2,231	57.5 Top 50%	1031	2,231	14.5
68	Churchlands Senior High School Churchlands WA · Secondary · 7-12	Government	2,221	64.1 Top 50%	1115	2,221	15.6
69	Australian International Academy of Education Coburg VIC · Combined · Prep-12	Independent	2,215	64.2 Top 50%	1071	2,215	10.6
70	East Doncaster Secondary College Doncaster East VIC · Secondary · 7-12	Government	2,211	84.6 Top 5%	1124	2,211	13.0
71	Saltwater P-9 College Point Cook VIC · Combined · Prep-9	Government	2,199	65.0 Top 50%	1075	2,199	14.8
72	Keysborough Secondary College Springvale South VIC · Secondary · 7-12	Government	2,194	36.6 Lower 50%	941	2,194	11.6
73	Pacific Pines State High School Pacific Pines QLD · Secondary · 7-12	Government	2,193	50.2 Lower 50%	1009	2,193	13.5
74	St Michael's College Henley Beach SA · Combined · R-12	Catholic	2,193	52.8 Top 50%	1064	2,193	13.2
75	St Monica's College - Davisson Street Epping VIC · Secondary · 7-12	Catholic	2,185	76.4 Top 10%	1059	2,185	10.1
76	Methodist Ladies' College Kew VIC · Combined · Prep-12	Independent	2,169	89.2 Top 5%	1190	2,169	9.1
77	The King's School North Parramatta NSW · Combined · K-12	Independent	2,150	80.8 Top 10%	1163	2,150	10.8
78	Chatswood High School Chatswood NSW · Secondary · 7-12	Government	2,147	80.8 Top 5%	1137	2,147	15.6
79	Overnewton Anglican Community College Keilor VIC · Combined · Prep-12	Independent	2,146	76.7 Top 25%	1118	2,146	10.8
80	Hazel Glen College Doreen VIC · Combined · Prep-12	Government	2,141	40.3 Lower 50%	1023	2,141	13.2
81	All Saints Catholic College Liverpool NSW · Combined · K-12	Catholic	2,138	45.8 Lower 50%	1038	2,138	13.4
82	St Stephen's School Duncraig WA · Combined · PP-12	Independent	2,137	70.8 Top 25%	1120	2,137	12.3
83	Benowa State High School Benowa QLD · Secondary · 7-12	Government	2,129	65.7 Top 50%	1064	2,129	13.9
84	Corinda State High School Corinda QLD · Secondary · 7-12	Government	2,125	67.0 Top 25%	1060	2,125	13.4
85	Westbourne Grammar School Truganina VIC · Combined · Prep-12	Independent	2,121	84.7 Top 5%	1166	2,121	11.8
86	Canberra Grammar School Red Hill ACT · Combined · K-12	Independent	2,116	77.5 Top 25%	1187	2,116	12.0
87	Australian Christian College - Moreton Caboolture QLD · Combined · Prep-12	Independent	2,110	54.2 Top 50%	1046	2,110	18.2
88	Cranbourne East Secondary College Cranbourne East VIC · Secondary · 7-12	Government	2,110	45.9 Lower 50%	983	2,110	13.2
89	Cherrybrook Technology High School Cherrybrook NSW · Secondary · 7-12	Government	2,098	77.0 Top 10%	1146	2,098	15.6
90	Mountain Creek State High School Mountain Creek QLD · Secondary · 7-12	Government	2,091	59.5 Top 50%	1043	2,091	13.0
91	Radford College Bruce ACT · Combined · K-12	Independent	2,091	80.2 Top 10%	1203	2,091	13.1
92	St Peter's College Cranbourne VIC · Secondary · 7-12	Catholic	2,089	68.2 Top 25%	1045	2,089	12.3
93	St Mary MacKillop College Isabella Plains ACT · Secondary · 7-12	Catholic	2,088	67.7 Top 25%	1068	2,088	13.8
94	St Kevin's College Toorak VIC · Combined · Prep-12	Catholic	2,087	87.1 Top 5%	1192	2,087	9.7
95	The Scots College Bellevue Hill NSW · Combined · K-12	Independent	2,076	88.5 Top 5%	1162	2,076	8.4
96	Newington College Stanmore NSW · Combined · K-12	Independent	2,072	86.9 Top 5%	1182	2,072	9.1
97	Hillcrest Christian College Reedy Creek QLD · Combined · Prep-12	Independent	2,055	65.1 Top 50%	1104	2,055	15.8
98	Mount Lawley Senior High School Mount Lawley WA · Secondary · 7-12	Government	2,041	70.4 Top 25%	1103	2,041	15.3
99	Cavendish Road State High School Holland Park QLD · Secondary · 7-12	Government	2,037	70.7 Top 25%	1103	2,037	14.3
100	Sacred Heart College Somerton Park SA · Combined · 7-12	Catholic	2,033	64.4 Top 50%	1083	2,033	13.1

There are 7,621 largest schools in Australia eligible for this list; the top 100 are shown. King's Christian College in Reedy Creek is ranked first (students: 5,166). 45 of the top 100 are government schools and 55 are Catholic or independent; the median ICSEA across the list is 1096.

The top 10 largest schools in Australia for 2025 are: 1. King's Christian College (Reedy Creek, QLD); 2. Haileybury College (Keysborough, VIC); 3. Open Access College (Marden, SA); 4. Marsden State High School (Waterford West, QLD); 5. Bacchus Marsh Grammar (Bacchus Marsh, VIC); 6. Mansfield State High School (Mansfield, QLD); 7. Kelvin Grove State College (Kelvin Grove, QLD); 8. Brisbane State High School (South Brisbane, QLD); 9. Stretton State College (Stretton, QLD); 10. Caulfield Grammar School (St Kilda East, VIC).

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Frequently asked questions

What is the best largest school in Australia?

King's Christian College in Reedy Creek, QLD ranks first among largest schools in Australia with a Success Index of 57.0 out of 100 and an ICSEA of 1074.

How are largest schools in Australia ranked?

Schools with the highest total enrolments. 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 largest schools in Australia?

45 of the top 100 largest schools in Australia are government schools; 55 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.