Keystone Montessori School
Daycare center in El Cerrito, CA. 6639 Blake Street, El Cerrito, CA 94530
About the program
Keystone Montessori School is a licensed daycare center in El Cerrito, California, on the state register since 2019. It is licensed for 57 children and serves preschool ages.
Keystone Montessori School in El Cerrito provides Montessori education for children aged 18 months to 6 years.
The program follows a Montessori approach.
Tuition and capacity
Tuition: not listed. Keystone Montessori School does not publish a fee schedule on its website. Programs in the area that publish full-time tuition have a median starting price of $1,170 a month.
Licensing and safety
Open the state record →California cites a Type A violation for an immediate risk to the health or safety of children, and a Type B violation for a record-keeping or maintenance item. The state file gives counts, dates and regulation numbers, not the inspector's notes.
Regulations cited
101223(a)(3) · 101212(d)(1) · 101700.3 · 1596.7995(a)(1) · 101217(a)(12)
Open the state record for each visit report.
Getting there
6639 Blake Street, El Cerrito, CA 94530
Questions about Keystone Montessori School
Is Keystone Montessori School licensed?
Yes. Keystone Montessori School holds an active Day Care Center licence from California Department of Social Services, Community Care Licensing Division (licence 073408869), with a licensed capacity of 57 children. The state record was synced in September 2026.
Has Keystone Montessori School had any inspection violations?
California's public file shows 3 citations for Keystone Montessori School, across 3 inspection visits. The median daycare center in the area has 1. The state record linked above has each visit report.
What ages does Keystone Montessori School take?
Keystone Montessori School is licensed to serve preschool ages.
How much does Keystone Montessori School cost?
Keystone Montessori School does not publish tuition on its website. Ask for the full fee schedule on a tour, including registration, supply and late pick-up fees.
