Licensed Daycares in Thornhill, ON

Daycare & Childcare in Thornhill

Thornhill sits astride the Markham–Vaughan line, and its childcare market is bigger than many parents expect: MapleCub tracks 41 licensed programs here — 39 centres plus 2 home-based providers — with 40 of 41 listed under the CWELCC fee-reduction system. Ratings land almost exactly at a 4.50 average across the 19 providers with at least 3 Google reviews, a shade above Ontario's 4.46, with 10 providers at 4.5 stars or better. Thornhill Nursery School anchors the field with a perfect 5.0 across 23 reviews — notable staying power for a community institution — followed by Funtastic Learning Centre (5.0 across 13) and Upper Canada Child Care's site at Westmount Collegiate (5.0, though on just 3 reviews). Fair warning on one gap: age-group information is missing for 40 of 41 Thornhill listings in our dataset, so we can't map which programs take infants versus preschoolers — confirm age eligibility when you call, and expect the under-18-months rooms to be the tightest, as everywhere in the GTA.

What to know about childcare in Thornhill

Thornhill's quirk is administrative: the community straddles two cities, Markham and Vaughan, but both fall under York Region as child care service manager. That matters for money — York Region administers Ontario's income-tested child care fee subsidy for all Thornhill families, on top of the CWELCC fee reductions that 40 of the 41 tracked programs are listed under. If your household income is moderate, check the subsidy before assuming full price; the two supports stack, and the application runs through the region, not the individual centre.

The ratings field has a clear leader. Thornhill Nursery School's 5.0 across 23 reviews is the strongest signal in the community, and long-established nursery schools tend to earn that kind of record through consistency rather than marketing. Funtastic Learning Centre's 5.0 across 13 is also solid; Upper Canada Child Care at Westmount CI holds 5.0 on only 3 reviews — a lead worth touring, not yet a proven track record. Note that Upper Canada operates multiple school-based sites across York Region, which often means continuous before-and-after-school care as your child ages up. In all, 19 of 41 providers have enough reviews to judge; the unreviewed majority includes perfectly good programs that simply serve a quieter clientele.

Structurally, this is a centre-dominated market — just 2 licensed home-based providers appear in our data — so parents wanting a home setting should also ask York Region's licensed home child care agencies, which manage providers that don't always appear as individual listings.

The missing age data (40 of 41 listings) is the main research burden here. Practical workaround: call with your child's birthdate and target start date, ask specifically about infant, toddler and preschool room availability and waitlist length, and ask whether the program runs school-year or full-year — several Thornhill programs are nursery-school format with September intakes that fill the previous winter. All providers are licensed and inspected by Ontario's Ministry of Education, whose public registry shows each licence's history.