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 (2023-24)
- School Type: Montessori School
- Grades: Prekindergarten-Kindergarten
- Enrollment: 38 students
- Average class size: 36 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
Learning Difference Programs
Yes
Learning Programs Supported
case by case basis
Year Founded
1982
Summer School Offered
Yes
Student Body
Total Students
38 students
Student Body Type
Co-ed
% Students of Color
33%
State avg.: 24%
Students by Grade

Academics and Faculty
Total Classroom Teachers
1 teacher
Student : Teacher Ratio
38:1
National avg.: 13:1
% Faculty w/Advanced Degree
33%
Average Class Size
36 students
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Source: Verified school update
Frequently Asked Questions
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).
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