Grades PreK-3 20 students 4.5 students per teacher Nonsectarian Montessori Co-ed
Montessori schools in Ontario, CA
4 in Ontario or within 6 miles. Schools that report a Montessori program or belong to a Montessori association.
Affiliation, co-ed or single-sex, association membership and the share of graduates going on to a 4-year college come from the 2023-24 federal Private School Universe survey.
Grades PreK-K Nonsectarian Montessori Co-ed
Grades PreK-K Nonsectarian Montessori Co-ed
Grades PreK-3 36 students 2.9 students per teacher Nonsectarian Montessori Co-ed
Private schools
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- Montessori schools in Chino (6 mi)
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- Montessori schools across California
Get one email when applications open
Most programs open once a year, and several ran out of money or seats in 2026. Pick your state (you are looking at Ontario) and we will email you the day the next window opens, with the official link. That is the only email you get.
One email per application window. No calls, no sharing your details.