About
Programs
Toddlers
Primary Part Time
Full Time Primary
Elementary
Admissions
Process
Tuition
Openings
Current Families
The Team
Calendars & News
Events
Contact
Cornerstone Montessori School
About
Programs
Toddlers
Primary Part Time
Full Time Primary
Elementary
Admissions
Process
Tuition
Openings
Current Families
The Team
Calendars & News
Events
Contact
Puyallup Campus
Closed for Spring Break
Mon, Apr 6, 2026, 6:30 AM – Fri, Apr 10, 2026, 6:30 AM
Cornerstone Montessori School
1644 Gault Street
Sumner, WA, 98390
United States
Sumner Campus
,
Puyallup Campus
