St. Mary's Montessori School in Rancho Cucamonga, CA, serves 49 udents in grades kindergarten through 5 in a suburban community setting.
Founded in 2013, this California K–5 private school offers a Montessori curriculum with a Catholic religious affiliation.
The school maintains a udent–teacher ratio of 8:1 with six teachers supporting its co–ed enrollment.
Approximately 73% of the udent body represents diverse racial and ethnic backgrounds.
Mary's Montessori School is part of a local network of religiously affiliated and Montessori early learning programs in the Rancho Cucamonga area.
Quick Facts (2026)
- School Type: Montessori School
- Grades: Kindergarten-5
- Enrollment: 49 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
School Overview
School Type
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Kindergarten-5
Year Founded
2013
School Calendar
Student Body
Total Students
49 students
Student Body Type
Co-ed
% Students of Color
73%
State avg.: 51%
Students by Grade
Academics and Faculty
Total Classroom Teachers
6 teachers
Student-Teacher Ratio
8:1
National avg.:
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Application URL
School Notes
- School Motto: “Within the child lies the fate of the future.â€
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
When is the application deadline for St. Mary's Montessori School?
The application deadline for St. Mary's Montessori School is rolling (applications are reviewed as they are received year-round).
Related Schools
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People that viewed St. Mary's Montessori School also viewed these schools: Alta Loma Christian School, Sacred Heart Parish School, Water Of Life Christian School, Montessori Academy Of Education Inc- Dba Montessori Academy and United Christian Academy.
The nearest high school to St. Mary's Montessori School is Rancho Christian Academy (2.7 miles away)
The nearest elementary school is Sacred Heart Parish School (1.5 miles away)
The nearest preschool is Heritage Village KinderCare (1.2 miles away)
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School
Location
Miles
Quick Facts
Alta Loma Christian School![Alta Loma Christian School Photo - Not a school you attend. A family you belong to.]( "Alta Loma Christian School Photo - Not a school you attend. A family you belong to.")
(Brethren)
9974 19th Street
Rancho Cucamonga, CA 91737
(909) 989-2804
Rancho Cucamonga, CA 91737
(909) 989-2804
3.3 miles
Gr: PK-8 | 305 students Avg. class size: 18 students Sports: 7 | Extracurrculars: 15 Tuition & acceptance rate listed
Sacred Heart Parish School![Sacred Heart Parish School Photo - Computer Lab]( "Sacred Heart Parish School Photo - Computer Lab")
(Catholic)
12676 Foothill Blvd
Rancho Cucamonga, CA 91739
(909) 803-1400
Rancho Cucamonga, CA 91739
(909) 803-1400
1.5 miles
Gr: K-8 | 323 students Avg. class size: 32 students Sports: 7 | Extracurrculars: 3 Tuition listed
Water Of Life Christian School
(Christian)
7625 East Avenue
Fontana, CA 92336
(909) 463-3915
Fontana, CA 92336
(909) 463-3915
1.7 miles
Gr: PK-8 | 404 students Avg. class size: 20 students Tuition & acceptance rate listed
Montessori Academy Of Education Inc- Dba Montessori Academy
Montessori School
7135 Haven Ave
Rancho Cucamonga, CA 91701
(909) 941-9200
Rancho Cucamonga, CA 91701
(909) 941-9200
2.7 miles
Gr: PK-6 | 44 students
10900 Civic Center Drive
Rancho Cucamonga, CA 91730
(909) 758-8747
Rancho Cucamonga, CA 91730
(909) 758-8747
3 miles
Gr: K-12 | 922 students Avg. class size: 20 students Sports: 12 | Extracurrculars: 15 Tuition listed
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