Gateway Montessori School

We are Boulder County's premier Montessori nonprofit private school specializing in early childhood education.
Residing in Longmont, CO for over thirty years, we have set the standard for providing the highest quality Montessori experience.
Our unwavering integrity and commitment to classic Montessori principles has set us apart from other preschool/kindergarten programs.
Gateway Montessori School is licensed by the State of Colorado and is a member of the AMS, (American Montessori Society), CMA, (Colorado Montessori Association), and NAMTA, (North American Montessori Teachers Association).
We have also earned the Healthy Eating, Active Living designation from Boulder County Health Department and the Eco-Healthy Child Care designation from Children's Environmental Health Network.

Quick Stats (2025)

  • School Type: Montessori School
  • Grades: Nursery/Preschool-Kindergarten
  • Enrollment: 65 students
  • Average class size: 24 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

School Overview

Religious Affiliation
Grades Offered
Grades Nursery/Preschool-Kindergarten
Learning Difference Programs
Yes
Learning Programs Supported
case by case basis
Year Founded
1982
Summer School Offered
Yes
Summer Program Details

Student Body

Total Students
65 students
Student Body Type
Co-ed
% Students of Color
33%
State avg.: 25%
Students by Grade
Gateway Montessori School Student By Grade

Academics and Faculty

Total Classroom Teachers
12 teachers
Student : Teacher Ratio
5:1
National avg.: 13:1
% Faculty w/Advanced Degree
25%
Average Class Size
24 students
Classroom Dress Code
Casual
no dress code

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Source: Verified school update

Frequently Asked Questions

Does Gateway Montessori School offer a summer program?
Yes, Gateway Montessori School offers a summer program. Visit their summer school page for more information.
When is the application deadline for Gateway Montessori School?
The application deadline for Gateway Montessori School is rolling (applications are reviewed as they are received year-round).

School Reviews

Endorse Gateway Montessori School. Endorsements should be a few sentences in length. Please include any comments on:

  • Quality of academic programs, teachers, and facilities
  • Availability of music, art, sports and other extracurricular activities
  • Academic or athletic awards
Endorse this school:

Recent Articles

Inside DoDEA Schools: Teacher Qualifications, Costs, and Accreditation
Inside DoDEA Schools: Teacher Qualifications, Costs, and Accreditation
Explore the world of Department of Defense Schools (DoDEA), offering quality education to military families globally. Learn about their history, academic performance, teacher qualifications, and unique benefits for service members' children.
Social Emotional Learning: Education's Hidden Symphony
Social Emotional Learning: Education's Hidden Symphony
A musician's perspective on Social Emotional Learning reveals how this educational framework orchestrates success through five essential emotional competencies.
A Roadmap For Starting A Private School
January 24, 2025
A Roadmap For Starting A Private School
Use this roadmap as a set of talking points with your trusted mentors and professionals to start the private school of your dreams. You're not alone. Over the years, hundreds of folks like you have had the same dream. From Quintilian to Maria Montessori to Lucy Madeira Wing, visionary educators have established schools to teach according to their beliefs and methodologies.

Quick Stats (2025)

  • School Type: Montessori School
  • Grades: Nursery/Preschool-Kindergarten
  • Enrollment: 65 students
  • Average class size: 24 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Request Information

Did You Know?

The average private school tuition in Boulder County, CO is $19,609 for elementary schools and $21,308 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Boulder County, CO is 92% (read more about average acceptance rates across the country).

Quick Links