Cedar River Montessori School

To submit an admissions inquiry to the Director of Admissions directly, visit cedarrivermontessori.org and submit an inquiry in the lower left hand corner of our main page. Located on 12 acres of forested wetland and pasture, Cedar River Montessori is a private, independent, nonprofit 501(c)(3) Montessori school for students ages 3 through middle school in Renton, WA. Cedar River Montessori School fosters the innate curiosity of the child, presenting learning experiences that cultivate independent, creative thinkers who continuously build their understanding of themselves and the world around them..

Quick Stats (2024)

  • School Type: Montessori School
  • Grades: Prekindergarten-8
  • Enrollment: 135 students
  • Yearly Tuition: $19,980
  • Average class size: 20 students
  • Application Deadline: Jan. 31 / rolling
  • Source: Verified school update

School Overview

Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1981
Summer School Offered
Yes
Summer Program Details

Student Body

Total Students
135 students
Student Body Type
Co-ed
% Students of Color
49%
State avg.: 32%
Students by Grade
Cedar River Montessori School Student By Grade

Academics and Faculty

Total Classroom Teachers
15 teachers
Student : Teacher Ratio
9:1
National avg.: 13:1
% Faculty w/Advanced Degree
28%
Average Class Size
20 students
Classroom Dress Code
Casual

Tuition and Acceptance Rate

Admission Deadline
Jan. 31 / rolling
Yearly Tuition Cost
% on Financial Aid
21%
Admissions Director
Melinda Woodard
Admissions Associate
CRMS Info

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
4 extracurriculars
ExtracurricularsExtra-curric.
according to student interest, arts, Music, sports

School Notes

  • CRMS serves 130 students ages 3- 14 (8th grade).
  • We have three primary-level classes (ages 3 - kindergarten). Each class has 20 students and two adults.
  • We have two lower elementary classes with 37 students total (grades 1-3) with two teachers and two assistants.
  • We have an upper elementary class of 20 students with a teacher and an assistant.
  • We have a middle school program with room for 16 students in grades 7-8
  • We are located 3 miles east of I-405 off the Maple Valley highway and our students come from Renton, Seattle, Kent, Maple Valley, Issaquah, and surrounding communities.
  • We are a not-for-profit 501(c)(3) organization.
Source: Verified school update

Frequently Asked Questions

How much does Cedar River Montessori School cost?
Cedar River Montessori School's tuition is approximately $19,980 for private students.
Does Cedar River Montessori School offer a summer program?
Yes, Cedar River Montessori School offers a summer program. Visit their summer school page for more information.
When is the application deadline for Cedar River Montessori School?
The application deadline for Cedar River Montessori School is Jan. 31 / rolling (applications are due on Jan. 31 but additional applications are reviewed year-round as space permits ).

School Reviews

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I love this school, it has a wonderful community of parents, teachers, and children. My son is so happy here and the students are kind, thoughtful, and caring.
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Quick Stats (2024)

  • School Type: Montessori School
  • Grades: Prekindergarten-8
  • Enrollment: 135 students
  • Yearly Tuition: $19,980
  • Average class size: 20 students
  • Application Deadline: Jan. 31 / rolling
  • Source: Verified school update

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Did You Know?

The average private school tuition in King County, WA is $20,206 for elementary schools and $23,201 for high schools (read more about average private school tuition across the country).
The average acceptance rate in King County, WA is 77% (read more about average acceptance rates across the country).

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