| Willoughby Woods Preschool - Scarborough | 9 Merrill Brook Drive, Boston, MA 02108 | Center |
| Willow Farm Nursery School | 115 Bucknam Road, Boston, MA 02117 | Center |
| Willows Child Care | 384 Trapelo Rd, Belmont, MA 02478 | Center |
| Winchester Child Development Center | 259 Swanton St, Winchester, MA 01890 | Center |
| Winchester School of Chinese Culture After School Program | 478 Main St, Winchester, MA 01890 | Center |
| Windmill Children's Center | 109 Route 28 Unit 7, Shirley, MA 01464 | Preschool |
| Winfield Childrens House | 161 Field Road, Boston, MA 02117 | Center |
| Winn Brook P.T.A. Child Care Programs | 90 Waterhouse Rd, Belmont, MA 02478 | Preschool |
| Wollaston Hill Montessori School | 48 Winthrop Ave, Quincy, MA 02170 | Preschool |
| YMCA East Boston - Ashley Street Camp | 54 Ashley St, Boston, MA 02128 | Center |
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| YMCA Roxbury Day Camp | 285 Martin Luther King Blvd, Boston, MA 02119 | Center |
| Youth & Family Outreach East | 331 Cumberland Avenue, Boston, MA 02113 | Center |
| Zervas After School Program | 30 Beethoven Ave, Waban, MA 02468 | Preschool |