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.

List of 3 items.

  • Farm Conservation in Action

    We steward the health of our animals, water, and pastures through our Farm Conservation Plan.

  • Accredited Montessori Education in South King County

    Serving ages 3 through grade 8, Cedar River Montessori is the only American Montessori Society-Accredited Montessori school in the Seattle metro area south of I-90.

  • Our campus is a Washington State Stewardship Forest

    Students make transformative connections with the natural world in our 12-acre classroom. Learn more about our 12-Acre Trails and Forest Restoration Project.

Recent News

List of 2 news stories.

  • Virtual Admissions Tours are Now Available!

    Come explore Cedar River with our new virtual admissions tours! Our admissions tours are designed to help families learn about our school and about Montessori education so that you can decide if our school is a good fit for your family.



    Early Childhood Admissions Tours (ages 3-6 years old) run on Tuesdays from 9:30 AM - 10:30 AM.
    Elementary and Middle School Admissions Tours (grades 1-8) run on Thursdays from 9:30 AM - 10:30 AM.

    Ready to jump in? Get started by submitting your admissions inquiry today!
  • Remodeling by the paper wasps!

    Our Summer Gardens

    Our organic gardens have been growing this summer! The edible, peppery nasturtiums are abundant, carrots are growing and are producing seed that students will collect this fall for next year's seed exchange. And the paper wasps expanded their habitat (temporarily) by encapsulating a middle school student's bird house - wow!
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Admissions Events

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  • Cedar River Parent

    The staff and environment blend so well, I wish I had this when I was younger!

  • Cedar River Parent

    "This is our first year at Cedar River Montessori and we love it... even in the midst of a pandemic! We can tell our 3-year old is thriving by the way he talks about his classroom and teachers and by the huge smile on his face when pick him up in the afternoon. His teachers are supportive, creative, and keep open lines of communication."

  • Selena, '18

    I really feel like I stand out at [high] school academically and have a deeper understanding of the world than my classmates, and I am very grateful for that.

  • Whitney, '98

    I am an ICU nurse and I always want to know how and why things work the way they do, which is a huge part of my role in the ICU. I feel CRMS gave me the tools and the drive to ask questions and never stop learning.