Early World Montessori (2025-26 Profile)

Home > Washington > King County > Mercer Island

Early World Montessori

3027 80th Ave Se
Mercer Island, WA 98040

Early World Montessori has been caring for children on Mercer Island since 1989.

Our programs offer the highest quality education and childcare. Our school provides a nurturing environment where parents feel secure knowing that they have made a good choice for their children.

This security allows parents peace of mind, which is so important in today's world of busy schedules.

At Early World Montessori your child will discover the joy of learning, the excitement of challenges, and the satisfaction of success.

Quick Facts (2025-26)

School Type: Montessori School
Grades: Prekindergarten-Kindergarten
Enrollment: 73 students
Application Deadline: None / Rolling
Source: Verified school update

Top Rankings

Early World Montessori 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

School Calendar

Last Day of School

Mon. May 25, 2026

Student Body

Total Students

73 students

Student Body Type

Co-ed

% Students of Color

67%

State avg.: 31%

Students by Grade

Academics and Faculty

Total Classroom Teachers

5 teachers

Student-Teacher Ratio

15:1

National avg.:

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Application URL

Source: Verified school update

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Frequently Asked Questions

When is the application deadline for Early World Montessori?

The application deadline for Early World Montessori 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: 73 students
Application Deadline: None / Rolling
Source: Verified school update

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Did You Know?

The average private school tuition in King County, WA is $20,836 for elementary schools and $24,730 for high schools (read more about average private school tuition across the country).

The average acceptance rate in King County, WA is 77% (read more about average acceptance rates across the country).