Gateway Montessori and Preschool of San Dimas · School-Age Program, San Dimas
Gateway Montessori and Preschool of San Dimas is a licensed child care center in San Dimas, CA, licensed for up to 18 children and serving school-age children. It has held its California license since 2011. Since February 2021, state licensing staff have inspected it 4 times. The state issued 1 citation, which was not Type A. It came more than 12 months ago. Measured by weighted citations per inspection, it is tied for #2 of 19 centers in San Dimas and has fewer citations per inspection than 61% of California licensed centers.
Inspection record
Every state visit
What inspectors cited most
Citations, newest first
Based on record review, the licensee did not comply with the section cited above in, testing was done on 12/11/23, not within the required time frame as required, which poses/posed a potential health, safety or personal rights risk to persons in care.
How common are lead-in-water citations in Los Angeles County? See the county-by-county report →
About this center
Other licenses at this address
Common questions
Does Gateway Montessori and Preschool of San Dimas take infants?
Not under this license, which covers school-age children. An infant center is licensed separately at the same address (listed below).
Has Gateway Montessori and Preschool of San Dimas had any serious violations?
No Type A citations since 2021. It has 1 Type B citation, listed above.
How does Gateway Montessori and Preschool of San Dimas compare with other daycares in San Dimas?
It is tied for #2 of 19 centers in San Dimas by weighted citations per inspection, and has fewer citations per inspection than 61% of California licensed centers with enough inspection history to compare.
When was Gateway Montessori and Preschool of San Dimas last inspected?
May 29, 2026. No citations were issued during that visit.
How much does Gateway Montessori and Preschool of San Dimas cost?
California does not publish individual centers’ prices, so ask Gateway Montessori and Preschool of San Dimas for its current tuition. For comparison, the median full-time price at licensed centers in Los Angeles County, which includes San Dimas, was $821 a month for school-age children (about $1,040 today) in the state’s 2021 Regional Market Rate Survey.
Who runs Gateway Montessori and Preschool of San Dimas?
The licensee is Gateway Montessori And Preschool Of San Dimas, and the administrator listed with the state is Charmaine Manage.
Licensed centers nearby
516 E. Bonita Avenue, San Dimas · under 0.1 mi away · 17 spots About typical Gateway Montessori and Preschool of San Dimas
516 E. Bonita Avenue, San Dimas · under 0.1 mi away · 94 spots About typical Faith Daycare Center
505 East Bonita Avenue, San Dimas · under 0.1 mi away · 58 spots More citations than most Holy Name of Mary School
124 S. San Dimas Canyon Road, San Dimas · 0.2 mi away · 40 spots More citations than most Options-headstart/Cdc-ekstrand
440 N. Walnut Ave, San Dimas · 0.4 mi away · 45 spots More citations than most La Verne Parent Participation Preschool
909 East Juanita Ave., La Verne · 0.5 mi away · 34 spots More citations than most
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 198016262 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.