Home > California > San Bernardino County > Redlands > South Redlands

Phase3 Lab School

1 E Olive Ave Redlands, CA 92373

Tel: (833) 474-2733

www.phase3.school

Quick Facts (2026-27)

School Type: Montessori School
Grades: Prekindergarten-5
Enrollment: 39 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

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About the School

Phase3 Lab School in Redlands, CA, is a nonsectarian Montessori school serving 39 students from pre–kindergarten through 5th grade in a small city community.
The school maintains a student–teacher ratio of 5:1 with 8 teachers, supporting individualized instruction in a city neighborhood setting.
Over half of the student body (52.94%) represents students of color, reflecting diversity within the South Redlands area.
Phase3 Lab School is a member of the Association Montessori International (AMI), aligning with established Montessori educational standards.
This California Montessori school offers early learning through upper elementary grades in a city–based environment with a total enrollment below 50 students.

Quick Facts (2026-27)

School Type: Montessori School
Grades: Prekindergarten-5
Enrollment: 39 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

School Facts

School Type

Montessori School

Religious Affiliation

Nonsectarian

Grades Offered

Grades Prekindergarten-5

Students By Grade

View Data

Distribution of Students By Grade
Grade	Phase3 Lab School
Pre-K	21
Kind	4
1	2
2	2
3	2
4	3
5	5

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Student Body

Total Students

39 students

Student Body Type

Co-ed

% Students of Color

53%

State avg.: 52%

Academic Profile

Total Classroom Teachers

8 teachers

Student-Teacher Ratio

5:1

National avg.: 11:1

School Membership(s)School Assoc.

Association Montessori Internationale (AMI)

Tuition & Financial Aid

Admission Deadline

None / Rolling

Frequently Asked Questions

What schools are Phase3 Lab School often compared to?

Phase3 Lab School is often viewed alongside schools like Montessori In Redlands by visitors of our site.

When is the application deadline for Phase3 Lab School?

The application deadline for Phase3 Lab School is rolling (applications are reviewed as they are received year-round).

In what neighborhood is Phase3 Lab School located?

Phase3 Lab School is located in the South Redlands neighborhood of Redlands, CA. There are 4 other private schools located in South Redlands.

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Did You Know?

The average private school tuition in San Bernardino County, CA is $13,723 for elementary schools and $14,717 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).