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Lakeside Montessori School

3310 E Lake Sammamish Pkwy Se Ste C1
Sammamish, WA 98075

www.lakesidemontessori.com

Classic Montessori preschool and kindergarten for children aged 2.5 through 6 years, provided by certified Montessori teachers since 1991.

Individualized, hands-on curriculum provides an enriched foundation for future learning.

Quick Facts (2025-26)

School Type: Montessori School
Grades: Prekindergarten-Kindergarten
Enrollment: 162 students
Average class size: 20 students
Application Deadline: None / Rolling
Source: Verified school update

Top Rankings

Lakeside Montessori School ranks among the top 20% of private schools in Washington for:

School Overview

School Type

Montessori School

School Membership(s)School Assoc.

Other Montessori association(s)

Religious Affiliation

Nonsectarian

Grades Offered

Grades Prekindergarten-Kindergarten

Summer School Offered

Yes

School Calendar

View School Calendar

Student Body

Total Students

162 students

Student Body Type

Co-ed

% Students of Color

78%

State avg.: 31%

Students by Grade

Lakeside Montessori School Student By Grade

Academics and Faculty

Total Classroom Teachers

6 teachers

Student-Teacher Ratio

27:1

National avg.: 13:1

Average Class Size

20 students

Classroom Dress Code

Casual

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Tuition Notes

varied schedules and tuition rates available

Admissions Director

Renee Thornton

Application URL

Online Application

School Notes

School Motto: Building Intellect, Creativity & Character

For detailed information, please see our website: www.lakesidemontessori.com

Source: Verified school update

Frequently Asked Questions

When is the application deadline for Lakeside Montessori School?

The application deadline for Lakeside Montessori School is rolling (applications are reviewed as they are received year-round).

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Quick Facts (2025-26)

School Type: Montessori School
Grades: Prekindergarten-Kindergarten
Enrollment: 162 students
Average class size: 20 students
Application Deadline: None / Rolling
Source: Verified school update

Did You Know?

The average private school tuition in King County, WA is $21,121 for elementary schools and $24,523 for high schools (read more about average private school tuition across the country).

The average acceptance rate in King County, WA is 76% (read more about average acceptance rates across the country).