International Montessori School is developed around the turn of the century by Maria Montessori, Italy's first female physician, the montessori method consists of a specialized teaching style and expertly designed materials that combine to unlock each child's natural motivation to learn.
Further, as montessori does not segregate children by age, older children share their skills and knowledge with younger ones.
This not only acts as an important motivator, as the younger ones emulate their more advanced peers, it also serves to develop crucial social skills as well.
Quick Facts (2026)
- School Type: Montessori School
- Grades: 1-7
- Enrollment: 35 students
- Average class size: 21 students
- Application Deadline: None / Rolling
- Source: Verified school update
School Overview
School Type
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 1-7
Year Founded
2002
Summer School Offered
Yes
Student Body
Total Students
35 students
Student Body Type
Co-ed
% Students of Color
72%
State avg.: 51%
Students by Grade
Academics and Faculty
Total Classroom Teachers
4 teachers
Student-Teacher Ratio
9:1
National avg.:
Average Class Size
21 students
Classroom Dress Code
Casual
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Tuition Notes
Daycare after 3:30 PM is $10 per day.
Application URL
Source: Verified school update
Frequently Asked Questions
When is the application deadline for International Montessori School?
The application deadline for International Montessori School is rolling (applications are reviewed as they are received year-round).
Related Schools
Show me:
People that viewed International Montessori School also viewed these schools: Kiddie Academy, Foothill Country Day School, Western Christian School, Montessori Academy Of Upland and Ontario Progressive Montessori School.
The nearest high school to International Montessori School is American Christian Academy (2.7 miles away)
The nearest elementary school is Our Lady Of Lourdes School (1.2 miles away)
The nearest preschool is International Montessori Preschool (0.8 miles away)
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Show me:
School
Location
Miles
Quick Facts
Kiddie Academy
Daycare / Preschool
663 E Foothill Blvd
Claremont, CA 91711
(909) 621-5112
Claremont, CA 91711
(909) 621-5112
1.5 miles
Gr: PK-1 | 160 students
1035 Harrison Ave
Claremont, CA 91711
(909) 626-5681
Claremont, CA 91711
(909) 626-5681
2 miles
Gr: NS-8 | 438 students Avg. class size: 20 students Sports: 7 | Extracurrculars: 10 Tuition & acceptance rate listed
Western Christian School
(Christian)
3105 Padua Ave
Claremont, CA 91711
(909) 624-8291
Claremont, CA 91711
(909) 624-8291
2.7 miles
Gr: K-8 | 570 students Avg. class size: 24 students Sports: 11 Tuition & acceptance rate listed
235 E. Foothill Blvd.
Upland, CA 91786
(909) 931-0511
Upland, CA 91786
(909) 931-0511
3.3 miles
Gr: PK-1 | 118 students Avg. class size: 20 students
Ontario Progressive Montessori School
Montessori School
328 W Phillips St
Ontario, CA 91762
(909) 988-7145
Ontario, CA 91762
(909) 988-7145
3.6 miles
Gr: PK-1 | 14 students
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