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..

Top Placements

Cedar River Montessori School places among the top 20% of private schools in Washington for:

School Overview

School TypeMontessori School
School Membership(s)School Assoc.American Montessori Society (AMS)
Other Montessori association(s)
Other school association(s)
Religious AffiliationNonsectarian
Grades OfferedGrades Prekindergarten-8
Year Founded1981
Summer School OfferedYes

Student Body

Total Students121 students
Student Body TypeCo-ed
% Students of Color
State avg.: 24%
Students by Grade Cedar River Montessori School Student By Grade

Academics and Faculty

Total Classroom Teachers15 teachers
Student : Teacher Ratio8:1
National avg.: 13:1
% Faculty w/Advanced Degree
Average Class Size17 students
Classroom Dress CodeCasual

Finances and Admission

Admission DeadlineFeb. 1
Yearly Tuition Cost$11,500
Tuition NotesEarly childhood full-time - $11,250 Lower Elementary - $11,450 Upper Elementary- $11,650 Middle School - $11,900
% on Financial Aid
Average Financial Aid Grant$800
Acceptance Rate
National avg.: 85%
Admissions DirectorMelinda Woodard
Admissions AssociateCRMS Info


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.
Show me:
People that viewed Cedar River Montessori School also viewed these schools: Chestnut Hill Academy, Phoenix Montessori, Renton Christian School, St. Anthony Elementary School and Green River Montessori.
Show me:
  • School Location Miles Grades Students
  • Bellevue
    Grades: K-5 | 290 students
    8.4 miles
    13633 SE 26th St
    Bellevue, WA 98005
    (425) 372-2800
    8.4 K-5
  • Renton
    Phoenix Montessori
    Montessori School
    Grades: PK-K | 30 students
    2.7 miles
    1707 Edmonds Ave Se
    Renton, WA 98058
    (425) 793-3027
    2.7 PK-K
  • Renton
     Renton Christian School
    (Assembly of God)
    Grades: PK-8 | 538 students
    0.6 miles
    15717 152nd Avenue SE
    Renton, WA 98058
    (425) 226-0820
    0.6 PK-8
  • Renton
    Grades: PK-8 | 404 students
    4 miles
    336 Shattuck Avenue S
    Renton, WA 98057
    (425) 255-0059
    4 PK-8
  • Auburn
    Green River Montessori
    Montessori School
    Grades: PK-5 | 114 students
    11.1 miles
    1116 Harvey Rd and 922 12th NE
    Auburn, WA 98002
    (253) 833-7010
    11.1 PK-5

School Reviews

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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Did You Know?
The average acceptance rate in Renton, WA is 64% (read more about average acceptance rates across the country).