Windmill School INC.
Windmill School INC. is a licensed child care center in Portola Valley, CA, licensed for up to 75 children and serving preschool-age children. It has held its California license since 2018. Since February 2021, state licensing staff have inspected it 3 times and investigated 1 complaint, 0 of them substantiated. No visit in that period produced a citation, which puts it among the 34% of ranked California centers with no citations. Measured by weighted citations per inspection, it is tied for #1 of 323 centers in San Mateo County and tied for the best record statewide (no citations).
Inspection record
Every state visit
Citations, newest first
Complaint investigations
About this center
Common questions
Does Windmill School INC. take infants?
Not under this license, which covers preschool-age children.
Has Windmill School INC. had any serious violations?
No Type A citations since 2021.
Have there been complaints about Windmill School INC.?
California investigated 1 complaint since 2021 and substantiated 0. Allegations are shown only for substantiated complaints.
How does Windmill School INC. compare with other daycares in San Mateo County?
It is tied for #1 of 323 centers in San Mateo County by weighted citations per inspection, and is tied for the best record statewide (no citations) (out of 10,948 California centers with enough inspection history).
When was Windmill School INC. last inspected?
Mar 23, 2026. No citations were issued during that visit.
How much does Windmill School INC. cost?
California does not publish individual centers’ prices, so ask Windmill School INC. for its current tuition. For comparison, the median full-time price at licensed centers in San Mateo County, which includes Portola Valley, was $1,619 a month for preschoolers (about $2,040 today) in the state’s 2021 Regional Market Rate Survey.
Who runs Windmill School INC.?
The licensee is Windmill School INC., and the administrator listed with the state is Nicole Willard.
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Citations are quoted from California Department of Social Services inspection and complaint reports. Type A citations are the state’s most serious category (an immediate risk to children’s health, safety or personal rights); Type B citations are a potential risk. A citation is a finding about one rule, not a judgment about a center overall. Complaint allegations appear here only when the state substantiated them.
To read the full state reports, search facility number 414004441 on the California Care Facility Search. Data refreshed Oct 2, 2026.