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Greentrees Country Day School

247 Jackson Ave
Syosset, NY 11791

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Tel: (516) 921-4949

www.greentreesli.com

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Greentrees Country Day School & Camp was founded in 1988.

We believe parents play a key role in their children's education and we strive to work in partnership with our families.

We practice intentional teaching and utilize a "hands-on minds-on" approach to learning.

We enjoy communicating what's happening at school, and sharing photos of daily learning, through our parent app.

Quick Facts (2026)

School Type: Early Childhood / Day Care
Grades: Nursery/Preschool-Kindergarten
Enrollment: 100 students
Application Deadline: None / Rolling
Source: Verified school update

School Overview

School Type

Early Childhood / Day Care

Religious Affiliation

Nonsectarian

Grades Offered

Grades Nursery/Preschool-Kindergarten

Year Founded

1988

Summer School Offered

Yes

Student Body

Total Students

100 students

Student Body Type

Co-ed

% Students of Color

40%

State avg.: 39%

Students by Grade

Academics and Faculty

Total Classroom Teachers

17 teachers

Student-Teacher Ratio

6:1

National avg.: 11:1

Classroom Dress Code

Casual

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Application URL

Online Application

School Notes

Greentrees Country Day School & Camp was founded in 1988. It is a family-owned early childhood program. We believe parents play a key role in their children's education and we strive to work in partnership with our families. Intentional teaching practices and a "hands-on, minds-on" approach to learning guide the implementation of our curriculum. We enjoy communicating what's happening at school, and sharing photos of daily learning, through our parent app.

Source: Verified school update

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Frequently Asked Questions

When is the application deadline for Greentrees Country Day School?

The application deadline for Greentrees Country Day School is rolling (applications are reviewed as they are received year-round).

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Quick Facts (2026)

School Type: Early Childhood / Day Care
Grades: Nursery/Preschool-Kindergarten
Enrollment: 100 students
Application Deadline: None / Rolling
Source: Verified school update

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Did You Know?

The average private school tuition in Nassau County, NY is $21,802 for elementary schools and $21,748 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Nassau County, NY is 75% (read more about average acceptance rates across the country).