St. Marys Montessori School-Fontana
Montessori school · Grades Pre-K–K
Fontana, CA
7370 W Liberty Pkwy, Fontana, CA 92336
Overall grade: A-
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A-Class size
- B+Years serving families
What stands out
- The smallest classes of any preschool in Fontana
- Smaller classes than 60% of preschools in California
In Fontana, California, St. Marys Montessori School-Fontana is a Montessori school for students from pre-K through kindergarten. About 14 students attend, with roughly 4 students per teacher, smaller classes than 60% of preschool programs in California. The school day runs about 7 hours, 252 days a year.
At a glance
- Grades
- Grades Pre-K–K
- Students
- 14
- Teachers
- 4 (full-time equivalent)
- Students per teacher
- 3.5
- Boys and girls
- Coed · 10 girls, 4 boys
- Religious affiliation
- None (nonsectarian)
- Program
- Montessori
- School day
- About 7 hours
- School year
- 252 days
Reviews
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How it compares
- Smaller classes than 60% of preschool programs in California (4 students per teacher).
- Larger than 67% of preschool programs in California.
- Compared with 372 preschool programs in California.
Students by survey year
Total students reported in official records since 2017–18.
Students by grade
Student body
Member of
- Association Montessori Internationale
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 St. Marys Montessori School-Fontana
What grades does St. Marys Montessori School-Fontana serve?
St. Marys Montessori School-Fontana serves grades Pre-K–K.
How many students attend St. Marys Montessori School-Fontana?
About 14 students, with 4 students per teacher, according to official records.
How much is tuition at St. Marys Montessori School-Fontana?
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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