Cedar River Montessori School
Montessori school · Grades Pre-K–8
Renton, WA
15828 SE Jones Rd, Renton, WA 98058
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- A-Years serving families
- ADiversity
What stands out
- The only Montessori school in Renton
- Smaller classes than 71% of Montessori schools in Washington
- Growing: enrollment up 25% since 2011–12
- Serving families in Renton since at least 2011
In Renton, Washington, Cedar River Montessori School is a Montessori school for students from pre-K through 8th grade. About 79 students attend, with roughly 6 students per teacher, smaller classes than 71% of Montessori elementary schools in Washington. Enrollment is up about 25% since 2011–12. The school day runs about 6.5 hours, 185 days a year.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 79
- Teachers
- 14.3 (full-time equivalent)
- Students per teacher
- 5.5
- Boys and girls
- Coed · 31 girls, 48 boys
- Religious affiliation
- None (nonsectarian)
- Program
- Montessori
- School day
- About 6.5 hours
- School year
- 185 days
Reviews
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How it compares
- Smaller classes than 71% of Montessori elementary schools in Washington (6 students per teacher).
- Larger than 82% of Montessori elementary schools in Washington.
- Compared with 34 Montessori elementary schools in Washington.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- American Montessori Society
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 Cedar River Montessori School
What grades does Cedar River Montessori School serve?
Cedar River Montessori School serves grades Pre-K–8.
How many students attend Cedar River Montessori School?
About 79 students, with 6 students per teacher, according to official records.
How much is tuition at Cedar River 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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