Small Boulder high school for students with learning differences and ADHD with individualized support
September School is a small, intimate high school in Boulder, CO serving grades 9–12 with a specific focus on students with learning differences and ADHD. With an average class size of just 8 students and 99% of faculty holding advanced degrees, the school provides individualized attention and structured support tailored to each student's learning profile. The school's approach emphasizes reawakening engagement and fostering critical thinking in students who may have struggled in traditional settings.
The school offers learning difference programs and ADD/ADHD support integrated into all academic courses, with honors-level work available for students ready to pursue advanced study. Small cohorts and experienced faculty allow for differentiated instruction, flexible pacing, and personalized accommodations. The supportive community also includes diverse clubs, arts programs, and recreational activities—including martial arts, animation, and skateboarding—designed to build confidence and social connection alongside academics.
September School enrolls approximately 24 students total, ensuring a close-knit environment where staff know each student well. Tuition is $23,575 annually with financial aid available; 40% of families receive aid with an average grant of $8,500. Admission is rolling, and the school welcomes inquiries from families seeking a learning community responsive to their child's individual needs and strengths.
At a Glance
Grades9-12
Students24
Class Size8:1 ratio
Tuition$23,575
Fin. Aid40% receive aid
Est.1973
DeadlineNone / Rolling
Accreditation & Memberships
Other school association(s)
Cognia
School Information
| Year Founded | 1973 |
| Yearly Tuition Cost | $23,575 |
| Tuition Notes | Financial aid available. |
| Total Students | 24 |
| Total Classroom Teachers | 8 |
| Percent of Faculty with Advanced Degree | 99 |
| Average Class Size | 8 |
| Grades Offered | 9-12 |
Admissions Information
| Admissions Director | Sarah Desouza |
| Admissions Associate | Kelly Molinet |
| Admission Deadline | None / Rolling |
| Percent on Financial Aid | 40 |
| Average Financial Aid Grant | $8,500 |
Student Body Information
| Student Body Type | Co-ed |
| Percent of Students of Color | 7 |
Academic Programs Information
Special Education Programs
Learning Difference ProgramsADD/ADHD Support
Learning Programs Supported
All
Advanced Courses
Honors available in all courses
Sports and Extracurricular Information
| Sports | Martial Arts |
| Clubs and Organizations | 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 |
Additional Information
| Classroom Dress Code | Casual |
| School Memberships | Other school association(s) · Cognia |
| Religious Affiliations | Nonsectarian |
| Summer Program Cost | $1,500 |
| Summer School Offered | Yes |
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