| Macaulay - Humberwood Child Development Centre |
| Macaulay Child Development - Regent Street |
| Macaulay Child Development Centre - Dovercourt Child Care Centre |
| Macaulay Child Development Centre - J.R. Wilcox Day Care Centre |
| Macaulay Child Development Centre - Jane Street Child Care Centre |
| Macaulay Child Development Centre -Keelesdale |
| Macaulay Child Development Centre-Warren Park |
| Main Square Day Care Centre |
| Mallow Day Care Centre |
| Malvern Child Care Centre |
| Mandarin Child Care Centre |
| Mandi Day Care |
| Manor Montessori School 1 |
| Manor Montessori School 2 |
| Manor Road Co-operative Nursery School |
| Maplewood Before And After School Care |
| Marguerite Butt Child Care Centre |
| Martin Luther Church Day Nursery |
| Martin Luther Church Day Nursery B & A |
| Martingrove Child Care Centre |
| Martingrove Montessori School |
| Mary Ward Child Care Centre |
| Maryvale Jr YMCA |
| Massey Centre Early Learning Centre |
| Matthew John Day Care Centre |
| Maurice Cody Child Care |
| McGregor Jr YMCA |
| McKee McKids Enrichment Centre |
| McLoughlin Schools |
| McMurrich Co-op Play School |
| McMurrich Sprouts |
| McNicoll Avenue Child Care Program |
| Meadowvale Daycare Centre |
| Menorah Nursery |
| Metamorphosis Child Care Centre (Network) |
| Metro Hall Child Care Centre |
| Midland Child Care Centre |
| Miles Nadal Jewish Community Centre Nursery School |
| Millvalley Child Care Centre |
| Millwood Jr YMCA |
| Mimico Day Care Centre |
| Mindwerx 4 Kids Learning Centre |
| Monarch Park Montessori |
| Montessori Education Centre |
| Montessori For Children - St. Clair |
| Montessori Jewish Day School Of Toronto |
| Montessori Start Inc |
| Montrose Child Care Centre |
| Mooredale Preschool - Coach House |
| Mooredale Preschool - Main House |
| Morningside Children's Centre |
| Morrish Jr YMCA |
| Morse Street Child Care (Woodgreen) |
| Mother Of Compassion Child Care |
| Mount Pleasant Road Children's Circle |
| Mrs. Park's Nursery School |
| Mrs. Park's School Too |
| Munchkinz Preschool |
| Muppets Children's Centre 314 |
| Muppets Children's Centre 316 |
| Muppets Infant & Toddler Centre 312 |
| Muppets Pre-School Centre |
| Muppets Too Preschool Centre |
| My Little School |
| My School Co-op Nursery School |