Marin Montessori School
Marin Montessori School is a licensed child care center in Corte Madera, CA, licensed for up to 134 children and serving preschool-age children. It has held its California license since 1974. Since February 2021, state licensing staff have inspected it 3 times. 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 12 centers in Corte Madera and is tied for the best record statewide (no citations).
Inspection record
Every state visit
Citations, newest first
About this center
Common questions
Does Marin Montessori School take infants?
Not under this license, which covers preschool-age children.
Has Marin Montessori School had any serious violations?
No Type A citations since 2021.
How does Marin Montessori School compare with other daycares in Corte Madera?
It is tied for #1 of 12 centers in Corte Madera by weighted citations per inspection, and is tied for the best record statewide (no citations).
When was Marin Montessori School last inspected?
Apr 25, 2025. No citations were issued during that visit.
How much does Marin Montessori School cost?
California does not publish individual centers’ prices, so ask Marin Montessori School for its current tuition. For comparison, the median full-time price at licensed centers in Marin County, which includes Corte Madera, was $1,683 a month for preschoolers (about $2,120 today) in the state’s 2021 Regional Market Rate Survey.
Who runs Marin Montessori School?
The licensee is Marin Montessori School, INC, and the administrator listed with the state is Deirdre Thomas.
Licensed centers nearby
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50 El Camino Dr, Corte Madera · 0.9 mi away · 52 spotsMore citations than mostGolden Poppy Preschool & Infant Center
50 El Camino Dr, Corte Madera · 0.9 mi away · 109 spotsAbout typicalThe Mountain School
50 El Camino Drive, Corte Madera · 0.9 mi away · 45 spotsNo citationsEducare Children's Center
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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 210102862 on the California Care Facility Search. Data refreshed Oct 3, 2026.
Comparing centers? See how to choose a daycare: 30 questions to ask and a printable checklist.