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)
- School Type: Montessori School
- Grades: Prekindergarten-5
- Enrollment: 39 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 Prekindergarten-5
Student Body
Total Students
39 students
Student Body Type
Co-ed
% Students of Color
53%
State avg.: 51%
Students by Grade
Academics and Faculty
Total Classroom Teachers
8 teachers
Student-Teacher Ratio
5:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Source: National Center for Education Statistics (NCES)
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.
Nearby Private Schools
Popular comparisons: Phase3 Lab School vs. Montessori In Redlands
The nearest high school to Phase3 Lab School is Arrowhead Christian Academy (1.1 miles away)
The nearest elementary school and preschool is Sacred Heart Academy (0.2 miles away)
Show me:
School
Location
Miles
Quick Facts
Sacred Heart Academy![Sacred Heart Academy Photo]( "Sacred Heart Academy Photo")
(Catholic)
215 S Eureka St
Redlands, CA 92373
(951) 536-1483
Redlands, CA 92373
(951) 536-1483
0.2 miles
Gr: PK-8 | 254 students Avg. class size: 27 students Sports: 6 | Extracurrculars: 4 Tuition & acceptance rate listed
201 N University St
Redlands, CA 92374
(909) 793-8601
Redlands, CA 92374
(909) 793-8601
0.9 miles
Gr: PK-2 | 58 students
1145 Church Street
Redlands, CA 92374
(909) 793-0601
Redlands, CA 92374
(909) 793-0601
1 miles
Gr: PK-8 | 835 students Avg. class size: 24 students Tuition listed
Arrowhead Christian Academy
(Christian)
105 Tennessee St
Redlands, CA 92373
(909) 793-0601
Redlands, CA 92373
(909) 793-0601
1.1 miles
Gr: 9-12 | 381 students Sports: 13 Tuition & acceptance rate listed
Redlands Adventist Academy![Redlands Adventist Academy Photo]( "Redlands Adventist Academy Photo")
(Seventh Day Adventist)
130 Tennessee St
Redlands, CA 92373
(909) 793-1000
Redlands, CA 92373
(909) 793-1000
1.1 miles
Gr: K-12 | 385 students Avg. class size: 18 students Sports: 6 | Extracurrculars: 6 Tuition & acceptance rate listed
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