Ontario Rank	Board Rank	School	City	Type	Overall Score	2023‑24	2022‑23	2021‑22	3‑Year Change	Website
77	1	St Mary School	London	Catholic	9.3	9.3	9.7	9.3	0.0 →	Visit
373	2	St George Separate School	London	Catholic	8.5	8.5	8.9	8.0	+0.5 ↑	Visit
428	3	St. John French Immersion School	London	Catholic	8.4	8.4	8.1	7.8	+0.6 ↑	Visit
569	4	Sacred Heart Separate School	Parkhill	Catholic	8.2	8.2	8.7	7.9	+0.3 ↑	Visit
587	5	St Paul Separate School	London	Catholic	8.2	8.2	8.1	7.9	+0.3 ↑	Visit
622	6	St. Rose of Lima Separate School	London	Catholic	8.1	8.1	7.2	6.9	+1.2 ↑	Visit
687	7	St. Kateri Separate School	London	Catholic	8.0	8.0	8.2	8.8	-0.8 ↓	Visit
694	8	St Theresa Separate School	London	Catholic	8.0	8.0	6.3	7.3	+0.7 ↑	Visit
874	9	Notre Dame Separate School	London	Catholic	7.8	7.8	6.6	6.9	+0.9 ↑	Visit
890	10	St David Separate School	Dorchester	Catholic	7.8	7.8	7.4	7.5	+0.3 ↑	Visit
1080	11	St Patrick Separate School	Lucan	Catholic	7.6	7.6	8.3	6.3	+1.3 ↑	Visit
1208	12	St Martin Separate School	London	Catholic	7.5	7.5	5.9	7.4	+0.1 ↑	Visit
1280	13	Our Lady of Lourdes Separate School	Delaware	Catholic	7.4	7.4	8.0	7.9	-0.5 ↓	Visit
1289	14	St Catherine of Siena Elementary School	London	Catholic	7.4	7.4	8.3	7.9	-0.5 ↓	Visit
1299	15	St Jude Separate School	London	Catholic	7.4	7.4	7.6	7.3	+0.1 ↑	Visit
1384	16	St Anthony Catholic French Immersion School	London	Catholic	7.3	7.3	7.2	6.3	+1.0 ↑	Visit
1388	17	St. Nicholas Senior Separate School	London	Catholic	7.3	7.3	7.8	8.3	-1.0 ↓	Visit
1391	18	St Marguerite d'Youville School	London	Catholic	7.3	7.3	6.6	7.2	+0.1 ↑	Visit
1588	19	Monsignor J H O'Neil School	Tillsonburg	Catholic	7.1	7.1	6.0	7.0	+0.1 ↑	Visit
1602	20	St Charles Separate School	Glencoe	Catholic	7.1	7.1	8.3	6.3	+0.8 ↑	Visit
1722	21	St Joseph's School	Tillsonburg	Catholic	7.0	7.0	6.8	6.2	+0.8 ↑	Visit
1723	22	St Jude's School	Ingersoll	Catholic	7.0	7.0	6.3	7.4	-0.4 ↓	Visit
2161	23	St Mary's Separate School	West Lorne	Catholic	6.6	6.6	6.2	6.5	+0.1 ↑	Visit
2244	24	Sir Arthur Carty Separate School	London	Catholic	6.5	6.5	5.8	5.1	+1.4 ↑	Visit
2255	25	St Patrick's School	Woodstock	Catholic	6.5	6.5	6.9	7.5	-1.0 ↓	Visit
2401	26	Our Lady Immaculate School	Strathroy	Catholic	6.3	6.3	7.6	5.8	+0.5 ↑	Visit
2499	27	St Anne's Separate School	London	Catholic	6.2	6.2	6.4	5.4	+0.8 ↑	Visit
2519	28	St Sebastian Separate School	London	Catholic	6.2	6.2	6.5	5.2	+1.0 ↑	Visit
2522	29	St. Anne's Separate School	St. Thomas	Catholic	6.2	6.2	6.1	5.9	+0.3 ↑	Visit
2659	30	St Mark Separate School	London	Catholic	6.0	6.0	7.4	7.5	-1.5 ↓	Visit
2837	31	St Pius X Separate School	London	Catholic	5.8	5.8	5.9	6.1	-0.3 ↓	Visit
2904	32	St Michael Separate School	London	Catholic	5.7	5.7	6.5	5.3	+0.4 ↑	Visit
2950	33	Holy Family School	Woodstock	Catholic	5.6	5.6	7.4	7.5	-1.9 ↓	Visit
2965	34	St Michael's School	Woodstock	Catholic	5.6	5.6	5.8	6.1	-0.5 ↓	Visit
2970	35	St Thomas More Separate School	London	Catholic	5.6	5.6	6.3	6.3	-0.7 ↓	Visit
3020	36	Monsignor Morrison Separate School	St Thomas	Catholic	5.5	5.5	6.4	6.7	-1.2 ↓	Visit
3114	37	Holy Family Elementary School	London	Catholic	5.3	5.3	6.4	3.8	+1.5 ↑	Visit
3184	38	St Vincent de Paul Separate School	Strathroy	Catholic	5.2	5.2	5.4	5.8	-0.6 ↓	Visit
3334	39	Blessed Sacrament Separate School	London	Catholic	4.8	4.8	4.4	4.9	-0.1 ↓	Visit
3376	40	St Francis School	London	Catholic	4.7	4.7	5.8	5.8	-1.1 ↓	Visit
3483	41	Assumption Separate School	Aylmer	Catholic	4.3	4.3	7.0	7.2	-2.9 ↓	Visit
3614	42	Holy Rosary Separate School	London	Catholic	3.5	3.5	4.6	3.6	-0.1 ↓	Visit
3657	43	St Bernadette Separate School	London	Catholic	3.0	3.0	3.3	4.1	-1.1 ↓	Visit
4005	44	St. Gabriel Catholic Elementary School Catholic Elementary School	London	Catholic	—	—	—	—	—	—