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September High School is an intimate and supportive learning community that fosters individual development and reawakens the love of learning.
We empower ourselves to be critical thinkers, lifelong learners, and responsible citizens.

Quick Stats (2022-23)

  • Top Ranked CO School
  • Grades: 6-12
  • Enrollment: 78 students
  • Yearly Tuition: $23,575
  • Average class size: 8 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Top Rankings

September School ranks among the top 20% of private schools in Colorado for:

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 6-12
ADD/ADHD Support
Yes
Learning Difference Programs
Yes
Learning Programs Supported
All
Year Founded
1973
Summer School Offered
Yes

Student Body

Total Students
78 students
Student Body Type
Co-ed
% Students of Color
15%
State avg.: 26%
Students by Grade
September School Student By Grade

Academics and Faculty

Total Classroom Teachers
15 teachers
Student : Teacher Ratio
5:1
National avg.: 13:1
% Faculty w/Advanced Degree
99%
Average Class Size
8 students
Advanced Courses
Honors available in all courses
Classroom Dress Code
Casual
We have no dress code.

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Tuition Notes
Financial aid available.
Summer Program Cost
$1,500
Summer Program Cost Notes
$1500 per course
% on Financial Aid
40%
Average Financial Aid Grant
$8,500
Admissions Director
Sarah Desouza
Admissions Associate
Kelly Molinet

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
8 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Chess Club, Jewish Culture Club, Natural Highs, Queer Focus, Student Leadership Council

Arts and Music Programs:
Animation Club, Open Art Studio

Recreational Athletic Programs:
Skateboarding Club

School Notes

  • Boulder's longest running independent school
  • Dedicated to maintaining 8:1 student teacher ratio
  • Individualized education and support
  • Social emotional support and strong community
Source: Verified school update

Frequently Asked Questions

How much does September School cost?

September School's tuition is approximately $23,575 for private students and $1,500 for summer students.

What is September School's ranking?

September School ranks among the top 20% of private schools in Colorado for: Highest percentage of faculty with advanced degrees.

When is the application deadline for September School?

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

School Reviews

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Quick Stats (2022-23)

  • Top Ranked CO School
  • Grades: 6-12
  • Enrollment: 78 students
  • Yearly Tuition: $23,575
  • Average class size: 8 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

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Did You Know?

The average private school tuition in Boulder, CO is $25,446 for elementary schools (read more about average private school tuition across the country).
The average acceptance rate in Boulder, CO is 91% (read more about average acceptance rates across the country).

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