St. Mary's Montessori School (2026 Profile)

Home > California > San Bernardino County > Rancho Cucamonga

St. Mary's Montessori School

6860 N Victoria Windrows Loop
Rancho Cucamonga, CA 91739

Tel: (909) 200-2727

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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 Kâ€“5 private school offers a Montessori curriculum with a Catholic religious affiliation.

The school maintains a udentâ€“teacher ratio of 8:1 with six teachers supporting its coâ€“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

Montessori School

School Membership(s)School Assoc.

Other religious school association(s)

Religious Affiliation

Catholic

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: â€œWithin the child lies the fate of the future.â€

Source: National Center for Education Statistics (NCES)

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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).

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Quick Facts (2026)

School Type: Montessori School
Grades: Kindergarten-5
Enrollment: 49 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

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Did You Know?

The average private school tuition in San Bernardino County, CA is $13,747 for elementary schools and $14,309 for high schools (read more about average private school tuition across the country).

The average acceptance rate in San Bernardino County, CA is 88% (read more about average acceptance rates across the country).