Skip to content
S

Schools in CDSB of Eastern Ontario, Ontario (2025)

49 schools · 13,730 students · 49 catholic · median Enrolment 260.

CDSB of Eastern Ontario, in Ontario, has 49 schools in Canada's 2025 data, together educating about 13,730 students. By level there are 38 elementary, 10 secondary, 1 alternative; by sector 49 catholic.

The median Enrolment across CDSB of Eastern Ontario's schools is 260, below the Ontario median of 365. Students enrolled in the latest published year.

45 of the 49 schools qualify for the Success Index (Canada). The highest-scoring is St Francis Xavier Elementary School (86.7, top 5% of elementary schools nationally), followed by St. Thomas Aquinas Catholic School (86.7, top 5% of elementary schools nationally), and St Michael High School (80.0, top 10% of secondary schools nationally). 3 schools sit in the top 10% of Canada for their type. Scores are percentiles within school type, so compare an elementary school with other elementary schools.

The largest schools are St Joseph's Secondary School (745 students), St. Mother Teresa Catholic School (560 students), Notre Dame Catholic High School (555 students).

Schools are spread across 24 citys or towns, with the most in Cornwall (8), Brockville (5), Carleton Place (4), Smiths Falls (4).

Best elementary schools in CDSB of Eastern OntarioBest secondary schools in CDSB of Eastern OntarioBest catholic schools in CDSB of Eastern OntarioElementary Schools by EQAO Results in CDSB of Eastern OntarioSecondary Schools by EQAO Results in CDSB of Eastern OntarioLargest Schools in CDSB of Eastern Ontario

Ranked schools in CDSB of Eastern Ontario

Ordered by Success Index (Canada). Rank positions shown on each profile are within Canada and Ontario.

  1. 1
    87
    St Francis Xavier Elementary SchoolHammond · Catholic Elementary145 Enrolment · 145 students
  2. 2
    87
    St. Thomas Aquinas Catholic SchoolRussell · Catholic Elementary225 Enrolment · 225 students
  3. 3
    80
    St Michael High SchoolKemptville · Catholic Secondary97% OSSLT pass rate · 520 students
  4. 4
    77
    St Edward's SchoolWestport · Catholic Elementary86.7% EQAO Grade 6 · 85 students
  5. 5
    77
    Holy Cross SchoolKemptville · Catholic Elementary81.7% EQAO Grade 6 · 530 students
  6. 6
    76
    St Michael Elementary SchoolKemptville · Catholic Elementary205 Enrolment · 205 students
  7. 7
    76
    St. John Intermediate SchoolPerth · Catholic Elementary150 Enrolment · 150 students
  8. 8
    73
    St. Thomas Aquinas Catholic High SchoolRussell · Catholic Secondary88% OSSLT pass rate · 515 students
  9. 9
    72
    St Joseph's Separate SchoolGananoque · Catholic Elementary84.3% EQAO Grade 6 · 290 students
  10. 10
    70
    Holy Name of Mary Separate SchoolAlmonte · Catholic Elementary79.7% EQAO Grade 6 · 375 students
  11. 11
    65
    Notre Dame Catholic Separate SchoolCarleton Place · Catholic Elementary230 Enrolment · 230 students
  12. 12
    64
    Notre Dame Catholic High SchoolCarleton Place · Catholic Secondary94% OSSLT pass rate · 555 students
  13. 13
    64
    Sacred Heart of Jesus Separate SchoolLanark · Catholic Elementary80% EQAO Grade 6 · 70 students
  14. 14
    62
    St John Bosco Catholic SchoolBrockville · Catholic Elementary73.3% EQAO Grade 6 · 260 students
  15. 15
    60
    Iona AcademyWilliamstown · Catholic Elementary90.7% EQAO Grade 6 · 225 students
  16. 16
    59
    St. Joseph Intermediate Catholic SchoolCornwall · Catholic Elementary275 Enrolment · 275 students
  17. 17
    59
    St. Gregory Catholic SchoolCarleton Place · Catholic Elementary69.7% EQAO Grade 3 · 455 students
  18. 18
    58
    St Mary's High SchoolBrockville · Catholic Secondary93% OSSLT pass rate · 385 students
  19. 19
    58
    St Andrew's Separate SchoolSt. Andrew's West · Catholic Elementary73.7% EQAO Grade 6 · 205 students
  20. 20
    58
    St Finnan's Catholic SchoolAlexandria · Catholic Elementary75% EQAO Grade 6 · 125 students
  21. 21
    56
    J L Jordan Separate SchoolBrockville · Catholic Elementary82% EQAO Grade 6 · 150 students
  22. 22
    54
    St Francis Xavier Catholic High SchoolHammond · Catholic Secondary81% OSSLT pass rate · 260 students
  23. 23
    53
    Our Lady of Good Counsel Separate SchoolIngleside · Catholic Elementary76% EQAO Grade 6 · 250 students
  24. 24
    53
    St Anne's SchoolCornwall · Catholic Elementary69.7% EQAO Grade 6 · 260 students
  25. 25
    52
    St Peter's SchoolCornwall · Catholic Elementary78% EQAO Grade 6 · 265 students
  26. 26
    52
    St. Mother Teresa Catholic SchoolRussell · Catholic Elementary72.3% EQAO Grade 6 · 560 students
  27. 27
    46
    St. Mark Catholic SchoolPrescott · Catholic Elementary69% EQAO Grade 6 · 350 students
  28. 28
    44
    St. John Paul II Catholic SchoolHammond · Catholic Elementary69.7% EQAO Grade 6 · 230 students
  29. 29
    42
    St Joseph's Separate SchoolToledo · Catholic Elementary70% EQAO Grade 6 · 215 students
  30. 30
    42
    St Patrick Catholic Elementary SchoolRockland · Catholic Elementary65.3% EQAO Grade 6 · 335 students
  31. 31
    41
    St Mary's Separate SchoolChesterville · Catholic Elementary74% EQAO Grade 6 · 215 students
  32. 32
    41
    St Mary-St Cecilia Catholic SchoolMorrisburg · Catholic Elementary65.7% EQAO Grade 6 · 245 students
  33. 33
    39
    St John Catholic High SchoolPerth Road · Catholic Secondary81% OSSLT pass rate · 340 students
  34. 34
    38
    St Mary's Separate SchoolCarleton Place · Catholic Elementary61% EQAO Grade 6 · 290 students
  35. 35
    38
    St Mary's Separate SchoolBrockville · Catholic Elementary175 Enrolment · 175 students
  36. 36
    36
    St Joseph's Secondary SchoolCornwall · Catholic Secondary83% OSSLT pass rate · 745 students
  37. 37
    34
    St John Elementary SchoolPerth · Catholic Elementary59% EQAO Grade 6 · 375 students
  38. 38
    33
    St Francis de Sales Separate SchoolSmiths Falls · Catholic Elementary67.7% EQAO Grade 6 · 430 students
  39. 39
    20
    St. Luke Catholic High SchoolSmiths Falls · Catholic Secondary19% OSSLT pass rate · 110 students
  40. 40
    19
    St Jude's Catholic Elementary SchoolVankleek Hill · Catholic Elementary43.7% EQAO Grade 6 · 285 students
  41. 41
    18
    Holy Trinity Catholic Secondary SchoolSouth Glengarry · Catholic Secondary72% OSSLT pass rate · 535 students
  42. 42
    11
    Holy Trinity Catholic Elementary SchoolSouth Glengarry · Catholic Elementary230 Enrolment · 230 students
  43. 43
    11
    St Francis Xavier Separate SchoolBrockville · Catholic Elementary80 Enrolment · 80 students
  44. 44
    6
    Sacred Heart SchoolCornwall · Catholic Elementary48% EQAO Grade 6 · 450 students
  45. 45
    4
    Bishop Macdonell Separate SchoolCornwall · Catholic Elementary46% EQAO Grade 6 · 385 students

Other schools in CDSB of Eastern Ontario

Schools without a rank: fewer than 60 students, no published Enrolment, or a school type that is not scored.

–

St Matthew Catholic Secondary School

Cornwall · Catholic alternative · Grades 9-12

140 students

–

St. James Catholic Education Centre High School

Smiths Falls · Catholic secondary · Grades 9-12

–

St. Luke Catholic School

Smiths Falls · Catholic elementary · Grades 7-8

–

St. Matthew Catholic Elementary School

Cornwall · Catholic elementary · Grades 7-8

Compare the top 4 schools in CDSB of Eastern Ontario side by side →

City or towns in CDSB of Eastern Ontario

Other places in Ontario

Free academic assessment

Is your child on track for EQAO and beyond?

Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.

  • Personalised learning plan mapped to the Australian Curriculum
  • English & Maths from Kindergarten to Year 12
  • Flexible memberships, no lock-in contracts
  • Centres across NSW, VIC, QLD, WA, SA and ACT

No cost, no obligation. By submitting you agree to be contacted by Success Tutoring about your enquiry. See our privacy policy.

Frequently asked questions

What is the best school in CDSB of Eastern Ontario?

St Francis Xavier Elementary School is the highest-ranked school in CDSB of Eastern Ontario with a Success Index (Canada) of 86.7 out of 100 (Top 5% of elementary schools in Canada).

How many schools are in CDSB of Eastern Ontario?

CDSB of Eastern Ontario has 49 schools (38 elementary, 10 secondary, 1 alternative) educating 13,730 students in 2025.

What is the typical Enrolment in CDSB of Eastern Ontario?

The median Enrolment across schools in CDSB of Eastern Ontario is 260. Students enrolled in the latest published year.