Mt Si Montessori — Seattle

What kind of place is this?

Size 25 children licensed Smaller than the middle half of Seattle programs, where the middle half licenses 43–122. Measured across 578 Seattle programs, 2026-07-29.

Sources and dates

Size — Checked June 2026 · data.wa.gov

Not yet reported: established, teaching approach.

Will it fit our family?

Holiday closures Labor Day Holiday, Veterans Day Holiday, Thanksgiving Break, Winter Break (through Jan 2), Martin Luther King Jr. Holiday, Presidents' Day, Mid-Winter Break, Spring Break, Memorial Day Holiday, Juneteenth Holiday

Sources and dates

Holiday closures — Checked July 2026 · mtsimontessori.com

Not yet reported: ages served, hours, days / week, schedule.

What will it cost us?

This provider does not publish pricing.

What Shortlist has verified

License status Active

Website mtsimontessori.com

Sources and dates

License status — Checked June 2026 · data.wa.gov
Website — Checked July 2026 · mtsimontessori.com

Each date is when Shortlist last checked that fact against its source.

State record — Washington DCYF

Nov 2025 Licensing visit 1 finding

Licensing visit · November 12, 2025

Medication · WAC 110-300-0215(3)(a)(i) · Serious

One child did not have the prescription for the epi-pen with the medication.

Report (PDF)

Mar 2025 Licensing visit 1 finding

Licensing visit · March 31, 2025

Medication · WAC 110-300-0215(3)(a)(i) · Serious

The medication form for the epi-pen was not filled out completely.

Report (PDF)

Apr 2024 Licensing visit 1 finding

Licensing visit · April 15, 2024

Postings · WAC 110-300-0505(1)(2) · Long Term

RCW 4.216.700: Licensing information available upon request is not posted.

Report (PDF)

Nov 2023 Licensing visit nothing cited Report (PDF)

Sources and dates

Every state visit and complaint on file, shown in full and never edited. Open a date to read what the state wrote.