Issaquah Montessori School is a nurturing community for approximately 100 children between the ages of 15 months and six years. It`s located on two acres just outside the city of Issaquah, near Seattle.
The campus includes one toddler classroom, three early childhood classrooms and two playgrounds.
Issaquah Montessori School is accredited by the American Montessori Society and is participating in Early Achievers, Washington state`s Quality Recognition and Improvement System.
Quick Stats (2025)
- School Type: Montessori School
- Grades: Prekindergarten-Kindergarten
- Enrollment: 80 students
- Average class size: 22 students
- Application Deadline: None / Rolling
- Source: Verified school update
School Overview
School Type
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-Kindergarten
Year Founded
1993
Summer School Offered
Yes
First Day of School
Mon. Sep 1, 2025
Last Day of School
Mon. May 25, 2026
Campus Size
2
School Motto
Nurturing each child’s unique potential
Student Body
Total Students
80 students
Student Body Type
Co-ed
% Students of Color
14%
State avg.: 30%
Students by Grade

Academics and Faculty
Total Classroom Teachers
18 teachers
Student : Teacher Ratio
4:1
National avg.: 13:1
% Faculty w/Advanced Degree
10%
Average Class Size
22 students
Classroom Dress Code
Casual
Free from text, graphics or images
Tuition and Acceptance Rate
Sports
Total Sports Offered
1 sport
Sports
Source: Verified school update
Frequently Asked Questions
What sports does Issaquah Montessori School offer?
Issaquah Montessori School offers 1 interscholastic sports: Soccer.
When is the application deadline for Issaquah Montessori School?
The application deadline for Issaquah Montessori School is rolling (applications are reviewed as they are received year-round).
In what neighborhood is Issaquah Montessori School located?
Issaquah Montessori School is located in the Klahanie neighborhood of Issaquah, WA. There are 1 other private schools located in Klahanie.
School Reviews
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