El Cerrito, California 94530-1904 On Google Maps →
Keystone Montessori School
- 1.5–6 yrs
- Ages
- Toddler · Primary
- Levels
- 166 students
- Enrollment
In context
How it compares in El Cerrito
Keystone Montessori School is one of 2 Montessori schools in El Cerrito, and one of 2 with an AMS or AMI affiliation.
Facts & figures
From government filings and independent surveys — not the school's own marketing.
- Classrooms
2 Infant/Toddler · 5 Primary · 1 Lower Elementary · 1 Upper Elementary · 1 Elementary
11 lead teachers · 16 assistants
- State license
Licensed child care center
Capacity 57 · licensed since 2019
California Community Care Licensing, 2025
From the school
Programs, tuition & schedule
"Our focus is to maintain stable and stimulating Montessori environments in order to provide meaningful learning experiences."
Programs offered
- Toddler — 18–36 months
- Pre-Primary — 2–3.5 years
- Primary — 3.5–6 years
Source: school's homepage ↗
Some fields above are blank because they weren't published on the school's site. Call or email the school for tuition, admissions, and other details not listed here.
Admissions
How to apply
- Schedule tour
- Submit application
- Join community
Source: school's homepage ↗
Good to know
About Keystone Montessori School
Keystone Montessori School is a Montessori school (private) in El Cerrito, California serving ages 1.5 - 6 years — AMS Member. Our focus is to maintain stable and stimulating Montessori environments in order to provide meaningful learning experiences.
Where is Keystone Montessori School located? ⌃
6639 Blake St, El Cerrito, CA 94530-1904
What is the phone number for Keystone Montessori School? ⌃
Keystone Montessori School can be reached at (510) 236-7479.
Is Keystone Montessori School AMS accredited? ⌃
Keystone Montessori School holds the AMS pathway status: AMS Member.
How do you apply to Keystone Montessori School? ⌃
Keystone Montessori School's admissions process: Schedule tour; Submit application; Join community.
What ages does Keystone Montessori School serve? ⌃
Keystone Montessori School serves children aged 1.5 - 6 years.
What is the website for Keystone Montessori School? ⌃
The official website is keystonemontessori.org.