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Unincorporated King County · Licensed center

Woodinville Montessori School

woodinvillemontessori.org

At a glance

  • Medium Montessori center, licensed for 105 children.
  • Hours 8:45 a.m. to 3:15 p.m., 5 days a week, school year.
  • Tuition Toddler $2,357, preschool $2,169 a month, full time. See costs

What to know

License: 2 years 5 months to 7 years (state).

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 4 licensing inspections since June 2023. It lists no valid complaint about this center.

See each inspection

Licensing inspections

  • Jan 8, 2026Nothing cited
  • Feb 26, 2025Nothing cited
  • Feb 26, 20244 citations
    • Safety requirementsSerious. Fix within 5 business days. The licensor rechecks within 10.
      • “Computer cords and phone cords on counter that are not inaccessible to children in the multi purpose room and in the maple classroom.”

        WAC 110-300-0165(2)(d)

    • Safety requirementsSerious. Fix within 5 business days. The licensor rechecks within 10.
      • “East building the kitchen is not locked and it had garbage bags under the sink that are not inaccessible to children.”

        WAC 110-300-0165(2)(d)

    • Safety requirementsSerious. Fix within 5 business days. The licensor rechecks within 10.
      • “The West building has a storage room that also has a washer and dryer that are not locked that must be made inaccessible to children.”

        WAC 110-300-0165(2)(d)

    • Storage of hazardous and maintenance suppliesSerious. Fix within 5 business days. The licensor rechecks within 10.
      • “Provider had disinfectants and hand lotion that are not out of reach of children in the oaks and maple classroom. 0260 (a)(b) The center has several storage rooms that are not inaccessible to children as well as the custodial closet that also has the washer and dryer in the same space. (that was noted on the IR).”

        WAC 110-300-0260(1)(a), WAC 110-300-0260(2)(a)(b)

  • Jun 13, 2023Nothing cited

The state cited rules at 1 of this center's 4 inspections. Most Seattle-area centers inspected 4 times had more: 79% of 272 had rules cited at 2 or more.

How all 272 Seattle-area centers inspected 4 times compare

Of the 272 Seattle-area centers the state inspected 4 times, how many of those inspections cited a rule:

  • None7%
  • 1 of 415%This center
  • 2 of 417%
  • 3 of 433%
  • All 429%
Read every record and the state’s reports

State record — Washington DCYF

Last visit
January 8, 2026
On file
4 visits since June 2023 — 3 cited nothing
Most serious
Serious — Computer cords and phone cords on counter that are not inaccessible to children in the multi purpose room and in the maple classroom. · February 26, 2024

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

Jan 2026 Licensing visit nothing cited Report (PDF)
Feb 2025 Licensing visit nothing cited Report (PDF)
Feb 2024 Licensing visit 4 findings

Licensing visit · February 26, 2024

Safety requirements

WAC 110-300-0165(2)(d) · Serious

Computer cords and phone cords on counter that are not inaccessible to children in the multi purpose room and in the maple classroom.

Safety requirements

WAC 110-300-0165(2)(d) · Serious

East building the kitchen is not locked and it had garbage bags under the sink that are not inaccessible to children.

Safety requirements

WAC 110-300-0165(2)(d) · Serious

The West building has a storage room that also has a washer and dryer that are not locked that must be made inaccessible to children.

Storage of hazardous and maintenance supplies

WAC 110-300-0260(1)(a) / 110-300-0260(2)(a)(b) · Serious

0260(1)(a)Provider had disinfectants and hand lotion that are not out of reach of children in the oaks and maple classroom. 0260 (a)(b) The center has several storage rooms that are not inaccessible to children as well as the custodial closet that also has the washer and dryer in the same space. (that was noted on the IR).

Report (PDF)

Jun 2023 Licensing visit nothing cited

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

Toddler$2,357

$25.00 an hour, before fees

Preschool$2,169

$23.02 an hour, before fees

Woodinville 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; 82 toddler and 113 preschool programs publish one.

Per hour: a year of tuition, divided by the hours of care it buys.

Assumed: this price covers every hour the program is open, 6.5 hours a day.

Correct an assumption

A day here

8:45 a.m. to 3:15 p.m., 5 days a week, school year

Meals, schedule and closed
Meals
Students bring their own lunch; no school lunch program. Morning and afternoon snacks provided for Toddler and Early Childhood; morning snack provided for Lower Elementary.
Schedule
Full-day
Closed
Independence Day (observed) Jul. 3; Labor Day Sept. 7; Conference Days Oct. 2 and Feb. 5; Veterans Day Nov. 11; Faculty In-Service Days Nov. 25, Jan. 15, Mar. 12, May 28; Thanksgiving Break Nov. 26-27; Winter Break Dec. 21-Jan. 1; MLK Day Jan. 18; Presidents' Day Feb. 15; Mid-Winter Break Feb. 16-19; Spring Break Apr. 5-9; Memorial Day May 31

How they teach

Montessori

“we are committed to providing a holistic Montessori education that empowers students from Toddler to High School with more than just academic skills”

Policies

Enrollment
Enrollment agreements are a non-cancellable, full-school-year contract; withdrawal requires written notice to the Admissions Office and tuition liability follows a stated withdrawal schedule

Details

Phone
(425) 420-9714
Address
13965 Northeast 166th Street, Unincorporated King County, 98072
License
PL-8567
Established
1983

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

Run Woodinville 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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