International Montessori School
Montessori school · Grades 1–8
Montclair, CA
9185 Monte Vista Ave, Montclair, CA 91763
Overall grade: A-
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A-Class size
- A-Years serving families
What stands out
- Small classes: about 6 students per teacher
- Serving families in Montclair since at least 2011
In Montclair, California, International Montessori School is a Montessori school for students from 1st grade through 8th grade. About 18 students attend, with roughly 6 students per teacher. It has been listed in official private school records since 2011–12. The school day runs about 7 hours, 180 days a year.
At a glance
- Grades
- Grades 1–8
- Students
- 18
- Teachers
- 3 (full-time equivalent)
- Students per teacher
- 6
- Boys and girls
- Coed · 10 girls, 8 boys
- Religious affiliation
- None (nonsectarian)
- Program
- Montessori
- School day
- About 7 hours
- School year
- 180 days
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 55% of Montessori elementary schools in California (6 students per teacher).
- A smaller school: fewer students than 76% of Montessori elementary schools in California.
- Compared with 119 Montessori elementary schools in California.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about International Montessori School
What grades does International Montessori School serve?
International Montessori School serves grades 1–8.
How many students attend International Montessori School?
About 18 students, with 6 students per teacher, according to official records.
How much is tuition at International Montessori School?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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