| ##996...... |
20 |
| A. B. Lucas S.S. |
722 |
| A.Y. Jackson S.S. |
900 |
| Agincourt C.I. |
675 |
| Albert Campbell C.I. |
636 |
| Appleby College |
17 |
| ASDAN |
1010 |
| Bayview Glen Independent School |
36 |
| Bayview S.S. |
767 |
| Bell H.S. |
453 |
| Bill Hogarth S.S. |
20 |
| Bloor C.I. |
128 |
| Brooklin H.S. |
93 |
| Bur Oak S.S. |
155 |
| Cairine Wilson S.S. |
28 |
| Cameron Heights C.I. |
85 |
| Canadian Computing Olympiad |
12 |
| Carnegie Mellon University |
13 |
| Castlebrooke S.S. |
65 |
| CCCGSH Informatics |
48 |
| Centennial CVI |
84 |
| Centre Wellington District H.S. |
18 |
| Chaminade College School |
20 |
| China NOI |
20 |
| Chinguacousy S.S. |
77 |
| Christ Church Grammar School |
27 |
| Closed |
0 |
| Cloud Times Education |
22 |
| Codeforces |
546 |
| Coding Bowl |
58 |
| Coding4Community |
27 |
| CodingMarch |
242 |
| Colonel By S.S. |
107 |
| Corpus Christi College |
21 |
| Crescent School |
336 |
| CS145 |
76 |
| CS234 |
164 |
| Danforth CTI |
296 |
| Deluxe |
7 |
| digIT Summer School |
44 |
| Don Mills C.I. |
443 |
| Don Mills Programming Gala 2016 |
260 |
| Don Mills Programming Gala 2017 |
419 |
| Don Mills Programming Gala 2018 |
422 |
| Don Mills Programming Gala 2019 |
147 |
| Don Mills Programming Gala 2019 - Ottawa Mirror |
36 |
| Dr. Norman Bethune C.I. |
171 |
| Dryden H.S. |
17 |
| E.L. Crossley S.S. |
18 |
| Earl Haig S.S. |
154 |
| Earl of March S.S. |
62 |
| Eastwood Collegiate Institute |
6 |
| Eindhoven University of Technology |
2 |
| Elgin Park S.S. |
10 |
| EOI |
51 |
| Erindale S.S. |
83 |
| Etobicoke Collegiate Institute |
16 |
| European Girls' Olympiad in Informatics |
0 |
| Father Michael Goetz C.H.S |
8 |
| Fleetwood Park S. S. |
79 |
| Forest Heights Collegiate Institute |
12 |
| Forest Hill C.I. |
64 |
| Foxen |
159 |
| Garth Webb Secondary School |
1 |
| General Amherst H.S. |
3059 |
| Georgia Institute of Technology |
195 |
| Gleneagle Secondary School |
11 |
| Glenforest S.S. |
366 |
| Guangzhou Foreign Language School |
77 |
| Harbord C.I. |
44 |
| Harvard University |
150 |
| Hillfield Strathallan College |
16 |
| ICHB |
103 |
| IEEE @ Humber College Student Branch |
49 |
| Indian Institute of Information Technology, Pune |
29 |
| Indian Institute of Technology, Delhi |
110 |
| Indian Institute of Technology, Kanpur |
33 |
| Iroquois Ridge H. S. |
61 |
| John F. Ross C.V.I. |
20 |
| John Fraser S.S. |
127 |
| Ladue Horton Watkins High School |
7 |
| Langstaff Secondary School |
14 |
| Lawrence Park C.I. |
7 |
| Leaside H.S. |
65 |
| Lisgar C.I. |
51 |
| London Central S.S. |
404 |
| Lord Byng Secondary School |
32 |
| Loyola C.S.S. |
36 |
| Mahou Shoujou |
84 |
| Malvern C.I. |
21 |
| Maple High School |
14 |
| Marc Garneau C.I. |
199 |
| Markville S.S. |
118 |
| Massachusetts Institute of Technology |
101 |
| McGill University |
12 |
| Merivale High School |
19 |
| Middlefield C.I. |
45 |
| Milliken Mills H.S. |
104 |
| Milton District High School |
20 |
| MINOCode |
29 |
| Mississauga S.S. |
54 |
| Moira Secondary School |
17 |
| Monarch Park CI |
46 |
| Moroccan Olympiad in Informatics |
651 |
| NAPC 2021 |
66 |
| Neil McNeil H.S. |
39 |
| Nepean H.S. |
294 |
| Newmarket H.S. |
65 |
| North Park S.S. |
45 |
| North South Foundation |
6 |
| Northern S.S. |
215 |
| Notre Dame C.S.S. |
14 |
| Olympiad Education (Ottawa) |
24 |
| Olympiads Computing Competition |
8 |
| Olympiads School |
1175 |
| Ottawa STEM Club |
47 |
| Parkdale C.I. |
9 |
| PEO-Mississauga Chapter |
74 |
| Pierre Elliott Trudeau H.S. |
166 |
| Pioneer School of Ariana |
16 |
| Port Credit Secondary School |
27 |
| Port Moody Secondary School |
53 |
| Presbyterian Ladies College, Sydney |
12 |
| Qing Teng Academy of Alcanta International College |
36 |
| R.H. King Academy |
25 |
| Reynolds S.S. |
93 |
| Richmond Green S.S. |
107 |
| Richmond Hill H.S. |
323 |
| Riverdale C.I. |
18 |
| Runnymede C.I. |
165 |
| SAC Code Challenges |
133 |
| SATEC @ W. A. Porter Collegiate Institute |
127 |
| Sir Allan Macnab S.S. |
11 |
| Sir John A. Macdonald C.I. |
62 |
| Sir Oliver Mowat C.I. |
65 |
| Sir Winston Churchill High School |
36 |
| SKH Tsoi Kung Po S.S. |
7 |
| South City International School |
7 |
| Southridge School |
5 |
| St Hilda's Anglican School for Girls |
66 |
| St. Andrew's College |
232 |
| St. Augustine C.H.S. |
59 |
| St. Basil-the-Great C. S. |
14 |
| St. Clement's School |
65 |
| St. Edmund Campion C.S.S. |
60 |
| St. Francis Xavier S.S. |
142 |
| St. George's School |
42 |
| St. Marcellinus C.S.S. |
42 |
| St. Mildred's-Lightbourn School |
12 |
| St. Robert C.H.S. |
271 |
| St. Theresa of Lisieux C.H.S. |
101 |
| St. Thomas Aquinas Brampton |
108 |
| St. Thomas Aquinas C.S.S. |
79 |
| Stanford University |
3 |
| STEM Yard |
18 |
| Stephen Lewis S.S. |
38 |
| Test organization |
0 |
| Thames Valley District School Board |
47 |
| The Woodlands School |
121 |
| Thornhill S.S. |
177 |
| Thornlea S.S. |
72 |
| Trinity College School |
10 |
| TTMath School |
33 |
| Tunisian Olympiad in Programming |
1077 |
| UC Berkeley |
35 |
| UCC Coding Competition 2021 |
152 |
| Unionville H.S. |
99 |
| University of British Columbia |
56 |
| University of Chicago |
1 |
| University of Guelph |
54 |
| University of Ljubljana |
4 |
| University of Ontario Institute of Technology |
23 |
| University of Pinar del Río |
14 |
| University of Toronto |
438 |
| University of Toronto Schools |
347 |
| University of Waterloo |
642 |
| University of Western Ontario |
14 |
| Upper Canada College |
51 |
| Ursula Franklin Academy |
201 |
| Victoria Park C.I. |
533 |
| Vincent Massey S.S. |
311 |
| Waterloo C.I. |
34 |
| WCIPEG Migration |
85 |
| Westdale S.S. |
45 |
| Western Canada High School |
37 |
| Western Technical-Commercial School |
11 |
| Westmount C.I. |
35 |
| Westview Centennial S.S. |
6 |
| White Oaks S.S. |
183 |
| William Lyon Mackenzie C.I. |
359 |
| Woburn C.I. |
133 |
| York Memorial C.I. |
193 |
| York Mills C.I. |
402 |