Largest Schools in CSDC du Nouvel-Ontario (2025)
Schools with the highest enrolment. Ranked by the Success Index (Canada) from official Canadian data; 22 schools in CSDC du Nouvel-Ontario, Ontario. Rank positions shown on each profile are within Canada and Ontario.
- 156École élémentaire catholique Jean-Paul IIVal Caron · Catholic ElementaryEnrolment: 420
- 262École secondaire catholique l'HorizonVal Caron · Catholic SecondaryEnrolment: 415
- 362École élémentaire Alliance Saint-JosephChelmsford · Catholic ElementaryEnrolment: 360
- 461Collège Notre-DameSudbury · Catholic SecondaryEnrolment: 345
- 556École élémentaire Saint-DenisSudbury · Catholic ElementaryEnrolment: 310
- 667École élémentaire catholique Félix-RicardSudbury · Catholic ElementaryEnrolment: 260
- 736École secondaire catholique ChamplainChelmsford · Catholic SecondaryEnrolment: 230
- 844École élémentaire Notre-Dame-du-SaultSault Ste. Marie · Catholic ElementaryEnrolment: 215
- 931École élémentaire Sainte-MarieAzilda · Catholic ElementaryEnrolment: 200
- 1045École élémentaire Saint-PierreSudbury · Catholic ElementaryEnrolment: 195
- 1158École élémentaire Saint-AugustinGarson · Catholic ElementaryEnrolment: 185
- 1219École élémentaire catholique La RenaissanceEspanola · Catholic ElementaryEnrolment: 185
- 1339École secondaire du Sacré-CoeurSudbury · Catholic SecondaryEnrolment: 170
- 1430École élémentaire Saint-JosephBlind River · Catholic ElementaryEnrolment: 165
- 1566École élémentaire Saint-DominiqueSudbury · Catholic ElementaryEnrolment: 160
- 1656École élémentaire Saint-ÉtienneDowling · Catholic ElementaryEnrolment: 145
- 1741École élémentaire Saint-JosephWawa · Catholic ElementaryEnrolment: 140
- 1862École élémentaire Saint-PaulLively · Catholic ElementaryEnrolment: 125
- 1924École élémentaire Notre-Dame-de-la-MerciConiston · Catholic ElementaryEnrolment: 125
- 2027École élémentaire Saint-AntoineNoëlville · Catholic ElementaryEnrolment: 95
- 2132École élémentaire Sacré-CoeurChapleau · Catholic ElementaryEnrolment: 90
- 2270École élémentaire Saint-JosephSudbury · Catholic ElementaryEnrolment: 75
| # | School | Sector | Enrolment | Success Index (Canada) | Key result | Students |
|---|---|---|---|---|---|---|
| 1 | École élémentaire catholique Jean-Paul II Val Caron · Elementary · Grades JK-8 | Catholic | 420 | 55.9 Top 50% | 68.7% EQAO Grade 6 | 420 |
| 2 | École secondaire catholique l'Horizon Val Caron · Secondary · Grades 9-12 | Catholic | 415 | 62.3 Top 50% | 84% OSSLT pass rate | 415 |
| 3 | École élémentaire Alliance Saint-Joseph Chelmsford · Elementary · Grades JK-8 | Catholic | 360 | 62.4 Top 50% | 77.7% EQAO Grade 6 | 360 |
| 4 | Collège Notre-Dame Sudbury · Secondary · Grades 9-12 | Catholic | 345 | 60.9 Top 50% | 96% OSSLT pass rate | 345 |
| 5 | École élémentaire Saint-Denis Sudbury · Elementary · Grades JK-8 | Catholic | 310 | 56.3 Top 50% | 75.7% EQAO Grade 6 | 310 |
| 6 | École élémentaire catholique Félix-Ricard Sudbury · Elementary · Grades JK-8 | Catholic | 260 | 66.7 Top 50% | 87.7% EQAO Grade 6 | 260 |
| 7 | École secondaire catholique Champlain Chelmsford · Secondary · Grades 9-12 | Catholic | 230 | 35.5 Lower 50% | 64% OSSLT pass rate | 230 |
| 8 | École élémentaire Notre-Dame-du-Sault Sault Ste. Marie · Elementary · Grades JK-8 | Catholic | 215 | 43.5 Lower 50% | 79% EQAO Grade 6 | 215 |
| 9 | École élémentaire Sainte-Marie Azilda · Elementary · Grades JK-8 | Catholic | 200 | 31.2 Lower 50% | 27.3% EQAO Grade 6 | 200 |
| 10 | École élémentaire Saint-Pierre Sudbury · Elementary · Grades JK-8 | Catholic | 195 | 44.8 Lower 50% | 74.3% EQAO Grade 6 | 195 |
| 11 | École élémentaire Saint-Augustin Garson · Elementary · Grades JK-8 | Catholic | 185 | 57.9 Top 50% | 86.7% EQAO Grade 6 | 185 |
| 12 | École élémentaire catholique La Renaissance Espanola · Elementary · Grades JK-8 | Catholic | 185 | 18.7 Lower 50% | 66.7% EQAO Grade 6 | 185 |
| 13 | École secondaire du Sacré-Coeur Sudbury · Secondary · Grades 9-12 | Catholic | 170 | 39.4 Lower 50% | 77% OSSLT pass rate | 170 |
| 14 | École élémentaire Saint-Joseph Blind River · Elementary · Grades JK-8 | Catholic | 165 | 29.5 Lower 50% | 45.3% EQAO Grade 6 | 165 |
| 15 | École élémentaire Saint-Dominique Sudbury · Elementary · Grades JK-6 | Catholic | 160 | 66.0 Top 50% | 90% EQAO Grade 3 | 160 |
| 16 | École élémentaire Saint-Étienne Dowling · Elementary · Grades JK-8 | Catholic | 145 | 56.0 Top 50% | 77.7% EQAO Grade 6 | 145 |
| 17 | École élémentaire Saint-Joseph Wawa · Elementary · Grades JK-8 | Catholic | 140 | 41.0 Lower 50% | 58.3% EQAO Grade 6 | 140 |
| 18 | École élémentaire Saint-Paul Lively · Elementary · Grades JK-8 | Catholic | 125 | 61.7 Top 50% | 74.7% EQAO Grade 6 | 125 |
| 19 | École élémentaire Notre-Dame-de-la-Merci Coniston · Elementary · Grades JK-8 | Catholic | 125 | 24.3 Lower 50% | 37% EQAO Grade 3 | 125 |
| 20 | École élémentaire Saint-Antoine Noëlville · Elementary · Grades JK-8 | Catholic | 95 | 27.1 Lower 50% | 40% EQAO Grade 6 | 95 |
| 21 | École élémentaire Sacré-Coeur Chapleau · Elementary · Grades JK-6 | Catholic | 90 | 32.0 Lower 50% | 45.3% EQAO Grade 3 | 90 |
| 22 | École élémentaire Saint-Joseph Sudbury · Elementary · Grades JK-8 | Catholic | 75 | 70.3 Top 25% | 93.3% EQAO Grade 3 | 75 |
École élémentaire catholique Jean-Paul II in Val Caron leads the 2025 list of largest schools in CSDC du Nouvel-Ontario with Enrolment 420. Of the 22 schools shown, 22 are catholic.
For the full picture see the wider Ontario largest schools rankings, every school on the CSDC du Nouvel-Ontario page, or the comparison tool to put a shortlist side by side.
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Frequently asked questions
What is the best largest school in CSDC du Nouvel-Ontario?
École élémentaire catholique Jean-Paul II in Val Caron, Ontario ranks first among largest schools in CSDC du Nouvel-Ontario with Enrolment 420 (Enrolment: 420).
How are largest schools in CSDC du Nouvel-Ontario ranked?
Schools with the highest enrolment. Only schools eligible for the Success Index (Canada) are included; the index is shown alongside for context.
Are these 2025 rankings official?
No. They are computed by Success Tutoring from official Canadian data (Ontario – School information and student demographics; BC Data Catalogue – Foundation Skills Assessment). Provinces publish different assessments, so scores are comparable within a province, not between provinces.