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Best catholic schools in Mississauga (2025)

Publicly funded Catholic schools (Ontario). Ranked by the Success Index (Canada) from official Canadian data; 87 schools in Mississauga, Ontario. Rank positions shown on each profile are within Canada and Ontario.

  1. 1
    95
    St Edmund Separate SchoolMississauga · Catholic Elementary96% EQAO Grade 6 · 400 students
  2. 2
    87
    St. James Catholic Global Learning CentrMississauga · Catholic Elementary89% EQAO Grade 6 · 240 students
  3. 3
    83
    St Rose of Lima Separate SchoolMississauga · Catholic Elementary96.3% EQAO Grade 6 · 255 students
  4. 4
    81
    Queen of Heaven SchoolMississauga · Catholic Elementary96% EQAO Grade 6 · 360 students
  5. 5
    80
    St. Bernard of Clairvaux Catholic Elementary SchoolMississauga · Catholic Elementary81.3% EQAO Grade 6 · 400 students
  6. 6
    79
    St Mark Separate SchoolMississauga · Catholic Elementary82.7% EQAO Grade 6 · 385 students
  7. 7
    79
    ÉÉC René-LamoureuxMississauga · Catholic Elementary98.3% EQAO Grade 6 · 145 students
  8. 8
    79
    St Dominic Separate SchoolMississauga · Catholic Elementary89% EQAO Grade 6 · 300 students
  9. 9
    79
    Sts. Peter & Paul Catholic SchoolMississauga · Catholic Elementary86.3% EQAO Grade 6 · 205 students
  10. 10
    78
    St Vincent de Paul Separate SchoolMississauga · Catholic Elementary79.3% EQAO Grade 6 · 180 students
  11. 11
    78
    St Jerome Separate SchoolMississauga · Catholic Elementary82.7% EQAO Grade 6 · 215 students
  12. 12
    77
    St Gregory SchoolMississauga · Catholic Elementary88.3% EQAO Grade 6 · 515 students
  13. 13
    77
    St Richard SchoolMississauga · Catholic Elementary85% EQAO Grade 6 · 290 students
  14. 14
    77
    St Marcellinus Secondary SchoolMississauga · Catholic Secondary91% OSSLT pass rate · 1,715 students
  15. 15
    77
    St Matthew Separate SchoolMississauga · Catholic Elementary93.7% EQAO Grade 6 · 255 students
  16. 16
    76
    St John of the Cross SchoolMississauga · Catholic Elementary80.3% EQAO Grade 6 · 300 students
  17. 17
    76
    Sts Martha & Mary Separate SchoolMississauga · Catholic Elementary82% EQAO Grade 6 · 345 students
  18. 18
    76
    St Therese of the Child Jesus (Elementary) Separate SchoolMississauga · Catholic Elementary77.3% EQAO Grade 6 · 330 students
  19. 19
    76
    St Joseph Secondary SchoolMississauga · Catholic Secondary91% OSSLT pass rate · 1,185 students
  20. 20
    75
    St Timothy SchoolMississauga · Catholic Elementary87% EQAO Grade 6 · 505 students
  21. 21
    73
    Our Lady of Good Voyage Catholic SchoolMississauga · Catholic Elementary85.7% EQAO Grade 6 · 125 students
  22. 22
    73
    St Basil SchoolMississauga · Catholic Elementary80% EQAO Grade 6 · 270 students
  23. 23
    72
    St Francis Xavier Secondary SchoolMississauga · Catholic Secondary91% OSSLT pass rate · 1,890 students
  24. 24
    72
    St Paul Secondary SchoolMississauga · Catholic Secondary89% OSSLT pass rate · 880 students
  25. 25
    72
    St Aloysius Gonzaga Secondary SchoolMississauga · Catholic Secondary89% OSSLT pass rate · 1,625 students
  26. 26
    72
    St Teresa of Avila Separate SchoolMississauga · Catholic Elementary85.3% EQAO Grade 6 · 395 students
  27. 27
    71
    ÉÉC Ange-GabrielMississauga · Catholic Elementary79.7% EQAO Grade 6 · 205 students
  28. 28
    71
    ÉSC Sainte-FamilleMississauga · Catholic Secondary92% OSSLT pass rate · 530 students
  29. 29
    70
    St. Barbara Elementary SchoolMississauga · Catholic Elementary85.3% EQAO Grade 6 · 335 students
  30. 30
    70
    St Edith Stein Elementary SchoolMississauga · Catholic Elementary79.3% EQAO Grade 6 · 260 students
  31. 31
    69
    St Christopher SchoolMississauga · Catholic Elementary82.3% EQAO Grade 6 · 415 students
  32. 32
    68
    St. John XXIII Catholic Elementary SchoolMississauga · Catholic Elementary95% EQAO Grade 6 · 195 students
  33. 33
    67
    Loyola Catholic Secondary SchoolMississauga · Catholic Secondary92% OSSLT pass rate · 950 students
  34. 34
    67
    Our Lady of Mount Carmel Secondary SchoolMississauga · Catholic Secondary86% OSSLT pass rate · 1,155 students
  35. 35
    67
    St Sofia SchoolMississauga · Catholic Elementary83.3% EQAO Grade 6 · 605 students
  36. 36
    67
    St. Joan of Arc Catholic Secondary SchoolMississauga · Catholic Secondary86% OSSLT pass rate · 1,015 students
  37. 37
    66
    St Thomas More SchoolMississauga · Catholic Elementary89.3% EQAO Grade 6 · 570 students
  38. 38
    66
    St David of Wales Separate SchoolMississauga · Catholic Elementary80% EQAO Grade 6 · 225 students
  39. 39
    66
    St Luke Catholic Elementary SchoolMississauga · Catholic Elementary81.3% EQAO Grade 6 · 345 students
  40. 40
    65
    St Helen Separate SchoolMississauga · Catholic Elementary82% EQAO Grade 6 · 235 students
  41. 41
    64
    St Julia Catholic Elementary SchoolMississauga · Catholic Elementary82% EQAO Grade 6 · 305 students
  42. 42
    64
    St Joseph Separate SchoolMississauga · Catholic Elementary80% EQAO Grade 6 · 300 students
  43. 43
    63
    St Albert of Jerusalem Elementary SchoolMississauga · Catholic Elementary76% EQAO Grade 6 · 400 students
  44. 44
    63
    Divine Mercy SchoolMississauga · Catholic Elementary80.7% EQAO Grade 6 · 355 students
  45. 45
    63
    St Clare SchoolMississauga · Catholic Elementary71% EQAO Grade 6 · 290 students
  46. 46
    62
    All Saints Catholic SchoolMississauga · Catholic Elementary77% EQAO Grade 6 · 370 students
  47. 47
    62
    St Simon Stock Elementary SchoolMississauga · Catholic Elementary73.3% EQAO Grade 6 · 275 students
  48. 48
    62
    Philip Pocock Catholic Secondary SchoolMississauga · Catholic Secondary91% OSSLT pass rate · 1,230 students
  49. 49
    58
    ÉÉC Saint-Jean-BaptisteMississauga · Catholic Elementary76.3% EQAO Grade 6 · 255 students
  50. 50
    58
    Our Lady of Mercy Elementary SchoolMississauga · Catholic Elementary84% EQAO Grade 6 · 225 students
  51. 51
    56
    St Philip Elementary SchoolMississauga · Catholic Elementary75.7% EQAO Grade 6 · 255 students
  52. 52
    55
    Mary Fix Catholic SchoolMississauga · Catholic Elementary72% EQAO Grade 6 · 220 students
  53. 53
    55
    St Elizabeth Seton SchoolMississauga · Catholic Elementary68.3% EQAO Grade 6 · 310 students
  54. 54
    55
    St Veronica Elementary SchoolMississauga · Catholic Elementary73.3% EQAO Grade 6 · 260 students
  55. 55
    55
    ÉIC Sainte-FamilleMississauga · Catholic Elementary270 Enrolment · 270 students
  56. 56
    55
    St Pio of Pietrelcina Elementary SchoolMississauga · Catholic Elementary73.7% EQAO Grade 6 · 335 students
  57. 57
    55
    St Martin Secondary SchoolMississauga · Catholic Secondary84% OSSLT pass rate · 1,090 students
  58. 58
    52
    Corpus Christi SchoolMississauga · Catholic Elementary84.3% EQAO Grade 6 · 275 students
  59. 59
    51
    St. Teresa of Calcutta Catholic Elementary SchoolMississauga · Catholic Elementary75.3% EQAO Grade 6 · 290 students
  60. 60
    50
    Iona Secondary SchoolMississauga · Catholic Secondary83% OSSLT pass rate · 655 students
  61. 61
    49
    St Faustina Elementary SchoolMississauga · Catholic Elementary71.7% EQAO Grade 6 · 235 students
  62. 62
    49
    San Lorenzo Ruiz Elementary SchoolMississauga · Catholic Elementary74% EQAO Grade 6 · 320 students
  63. 63
    49
    St Sebastian Catholic Elementary SchoolMississauga · Catholic Elementary72.7% EQAO Grade 6 · 355 students
  64. 64
    48
    St Herbert SchoolMississauga · Catholic Elementary71.7% EQAO Grade 6 · 245 students
  65. 65
    47
    St. Charles Garnier SchoolMississauga · Catholic Elementary69% EQAO Grade 6 · 200 students
  66. 66
    46
    Canadian Martyrs SchoolMississauga · Catholic Elementary71.3% EQAO Grade 6 · 350 students
  67. 67
    45
    St. Giovanni Scalabrini Catholic School SchoolMississauga · Catholic Elementary65% EQAO Grade 6 · 320 students
  68. 68
    44
    Father Daniel Zanon Elementary SchoolMississauga · Catholic Elementary79% EQAO Grade 6 · 250 students
  69. 69
    44
    St Louis SchoolMississauga · Catholic Elementary72% EQAO Grade 6 · 185 students
  70. 70
    43
    St Valentine Elementary SchoolMississauga · Catholic Elementary70.7% EQAO Grade 6 · 510 students
  71. 71
    39
    St Margaret of Scotland SchoolMississauga · Catholic Elementary76.3% EQAO Grade 6 · 410 students
  72. 72
    36
    Metropolitan Andrei Catholic SchoolMississauga · Catholic Elementary68.7% EQAO Grade 6 · 490 students
  73. 73
    36
    St Raymond Elementary SchoolMississauga · Catholic Elementary66.7% EQAO Grade 6 · 285 students
  74. 74
    35
    St Bernadette Elementary SchoolMississauga · Catholic Elementary45% EQAO Grade 6 · 240 students
  75. 75
    34
    Christ The King Catholic SchoolMississauga · Catholic Elementary62.3% EQAO Grade 6 · 290 students
  76. 76
    33
    St Hilary Elementary SchoolMississauga · Catholic Elementary71.3% EQAO Grade 6 · 250 students
  77. 77
    27
    St Francis of Assisi SchoolMississauga · Catholic Elementary63% EQAO Grade 6 · 425 students
  78. 78
    27
    St Catherine of Siena SchoolMississauga · Catholic Elementary70.3% EQAO Grade 6 · 430 students
  79. 79
    27
    John Cabot Catholic Secondary SchoolMississauga · Catholic Secondary76% OSSLT pass rate · 835 students
  80. 80
    26
    St Jude SchoolMississauga · Catholic Elementary67.7% EQAO Grade 6 · 240 students
  81. 81
    26
    St Alfred SchoolMississauga · Catholic Elementary71% EQAO Grade 6 · 400 students
  82. 82
    24
    Father Michael Goetz Secondary SchoolMississauga · Catholic Secondary80% OSSLT pass rate · 1,140 students
  83. 83
    24
    St Raphael SchoolMississauga · Catholic Elementary68% EQAO Grade 6 · 225 students
  84. 84
    23
    St Gerard Separate SchoolMississauga · Catholic Elementary60.7% EQAO Grade 6 · 235 students
  85. 85
    19
    Holy Cross SchoolMississauga · Catholic Elementary58.3% EQAO Grade 6 · 365 students
  86. 86
    16
    Ascension of Our Lord Secondary SchoolMississauga · Catholic Secondary69% OSSLT pass rate · 655 students
  87. 87
    14
    St. Oscar Romero SchoolMississauga · Catholic Secondary40% OSSLT pass rate · 285 students

St Edmund Separate School in Mississauga leads the 2025 list of catholic schools in Mississauga with a Success Index (Canada) of 94.6. Of the 87 schools shown, 87 are catholic.

For the full picture see the wider Ontario catholic schools rankings, every school on the Mississauga page, or the comparison tool to put a shortlist side by side.

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Frequently asked questions

What is the best catholic school in Mississauga?

St Edmund Separate School in Mississauga, Ontario ranks first among catholic schools in Mississauga with a Success Index (Canada) of 94.6 out of 100 (Enrolment: 400).

How are catholic schools in Mississauga ranked?

Each school's Success Index (Canada) combines 8 factors: eqao grade 3 (reading, writing, maths) (20%), eqao grade 6 (reading, writing, maths) (25%), eqao grade 9 mathematics (25%), osslt first-attempt pass rate (20%), fsa literacy score (25%), fsa numeracy score (25%), community advantage (fewer low-income households) (10%), parent education (fewer parents without a credential) (10%). Each factor is a percentile against schools of the same type across Canada. Schools with fewer than 60 students are excluded from rankings.

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.