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Unincorporated King County · Licensed center

Cedar River Montessori School

cedarrivermontessori.org

At a glance

  • Medium Montessori center, licensed for 70 children.
  • Hours 7:30 a.m. to 5:30 p.m.
  • Tuition Preschool $1,818 a month, full time. See costs
  • Run by a nonprofit. A board oversees it, and there are no owners taking profit.

What to know

License: 2 years 6 months to 13 years (state). They serve: ages 3 through middle school (their website).

The license is the range the state allows. It does not say which ages have openings.

What the state has found

The state cited rules at 1 of its 3 licensing inspections since March 2024. It lists no valid complaint about this center.

See each inspection

Licensing inspections

  • Nov 18, 2025Nothing cited
  • May 28, 2025Nothing cited
  • Mar 26, 20242 citations
    • Storage of hazardous and maintenance suppliesSerious. Fix within 5 business days. The licensor rechecks within 10.

      • “Sanitizing products were observered in the licensed space that are accessible to children including Clorox wipes, Simple Green spray, and Comet powder can (in lower elementary room underneath sink).”

        WAC 110-300-0260(1)(a)

    • Training requirementsShort Term. Fix within 10 business days. Rechecked within 15. Serious. Fix within 5 business days. The licensor rechecks within 10.

      • “Staff memeber I.S., assistant teacher will need to renew her first aid/CPR training and record in MERIT. Shows expired on 8/23/2023 in MERIT account. Staff member J.J. idenfied as center aid who prepares meals, will need to renew food handler's permit. Shows expired on 9/15/2020 in MERIT account.”

        WAC 110-300-0106(11), WAC 110-300-0106(12)

The state cited rules at 1 of this center's 3 inspections. Most Seattle-area centers inspected 3 times had more: 68% of 364 had rules cited at 2 or more.

How all 364 Seattle-area centers inspected 3 times compare

Of the 364 Seattle-area centers the state inspected 3 times, how many of those inspections cited a rule:

  • None12%
  • 1 of 321%This center
  • 2 of 335%
  • All 333%
Read every record and the state’s reports

State record — Washington DCYF

Last visit
November 18, 2025
On file
3 visits since March 2024 — 2 cited nothing
Most serious
Serious — Sanitizing products were observered in the licensed space that are accessible to children including Clorox wipes, Simple Green spray, and Comet powder can (in lower elementary room underneath sink). · March 26, 2024

Washington DCYF publishes each citation in the licensor’s own words, with a risk level.

Nov 2025 Licensing visit nothing cited Report (PDF)
May 2025 Licensing visit nothing cited Report (PDF)
Mar 2024 Licensing visit 2 findings

Licensing visit · March 26, 2024

Storage of hazardous and maintenance supplies

WAC 110-300-0260(1)(a) · Serious

Sanitizing products were observered in the licensed space that are accessible to children including Clorox wipes, Simple Green spray, and Comet powder can (in lower elementary room underneath sink).

Training requirements

WAC 110-300-0106(11) / 110-300-0106(12) · Short Term / Serious

Staff memeber I.S., assistant teacher will need to renew her first aid/CPR training and record in MERIT. Shows expired on 8/23/2023 in MERIT account. Staff member J.J. idenfied as center aid who prepares meals, will need to renew food handler's permit. Shows expired on 9/15/2020 in MERIT account.

Report (PDF)

Shortlist replaces people’s names in the state’s text with initials. This is done by rule, not by hand, so it can miss a name or shorten a word that isn’t one. The state’s report, linked on each row, has the original.

What it costs

Preschool$1,818

Cedar River Montessori SchoolMost Seattle-area prices (middle 80%)

Monthly, full time. The band is the middle 80% of Seattle-area full-time prices for that age; 113 preschool programs publish one.

Application fee
$100

A day here

7:30 a.m. to 5:30 p.m.

Schedule
Schedule
Full-day

How they teach

Montessori

“We offer individualized and experiential Montessori education from Early Childhood through Middle School”

Policies

Enrollment
First tuition payment due upon enrollment; initial fees, tuition payments and extended care fees are non-refundable

Details

Phone
(425) 271-9614
Address
15828 SE Jones Rd, Unincorporated King County, 98058
License
PL-8531

We couldn’t find some information that may matter to your decision: openings, Working Connections subsidy, ratios and staff, and a typical day. We can ask the program for you and copy you in.

Run Cedar River Montessori School? Correct or add anything here, free.
Sources and dates

Where every fact on this page came from, and when Shortlist last checked it against that source. Anything Shortlist could not source is named here rather than left blank.

How they teach

What it costs

State record

From Washington DCYF’s published reports, last checked November 3, 2026.

Washington’s four risk levels, highest first: Immediate, Serious, Short Term, Long Term. Deadlines from DCYF procedure PRO 10.1.21.

Ages

Age groups as Washington defines them: WAC 110-300-0005 (infant to 11 months, toddler 12 to 29 months, preschool 30 months to 6 years, school age 5 to 12 years).

A day here

Policies

Details

Medium means the middle half of Seattle-area’s 855 licensed centers by state-licensed capacity: 41 to 115 children. Small is 6 to 40; large is 116 to 323.

The ages on the license are what the state licenses it to care for, which can be wider than the ages it takes.

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