For the 2025 school year, there are 6 private high schools serving 417 students in Boulder, CO.
The top ranked private high schools in Boulder, CO include September School, Shining Mountain Waldorf School, and Tara Performing Arts High School.
The average acceptance rate is 53%, which is lower than the Colorado private high school average acceptance rate of 81%.
17% of private high schools in Boulder, CO are religiously affiliated (most commonly Other).
Top Ranked Boulder Private High Schools (2025)
School
Location
Grades
Students
999 Violet Avenue
Boulder, CO 80304
(303) 444-7697
Boulder, CO 80304
(303) 444-7697
Grades: PK-12
| 200 students
Tara Performing Arts High School![Tara Performing Arts High School Photo - Ninth grade: History through Art in New York]( "Tara Performing Arts High School Photo - Ninth grade: History through Art in New York")
Special Program Emphasis
4180 19th St
Boulder, CO 80304
(303) 410-4510
Boulder, CO 80304
(303) 410-4510
Grades: 9-12
| 55 students
Joshua School-boulder
Special Education School
7077 Harvest Rd
Boulder, CO 80301
(303) 974-7732
Boulder, CO 80301
(303) 974-7732
Grades: 4-12
| 18 students
3131 Indian Road
Boulder, CO 80301
(303) 554-7363
Boulder, CO 80301
(303) 554-7363
Grades: 6-12
| 18 students
5405 Spine Rd
Boulder, CO 80301
(303) 440-7520
Boulder, CO 80301
(303) 440-7520
Grades: 6-12
| 102 students
Boulder, Colorado Private Schools (Closed)
School
Location
Grades
Students
Blue Sky Kindergarten (Closed 2013)
Daycare / Preschool
3046 11th St
Boulder, CO 80304
(303) 443-4965
Boulder, CO 80304
(303) 443-4965
Grades: PK-K
| 34 students
Countryside Montessori School (Closed 2022)
Montessori School
5524 Baseline Rd
Boulder, CO 80303
(303) 494-3100
Boulder, CO 80303
(303) 494-3100
Grades: PK-K
| 33 students
Frequently Asked Questions
What are the top ranked private high schools in Boulder, CO?
The top ranked private high schools in Boulder, CO include September School, Shining Mountain Waldorf School, and Tara Performing Arts High School.
How many private high schools are located in Boulder?
6 private high schools are located in Boulder.
How diverse are private high schools in Boulder?
Boulder private high schools are approximately 9% minority students, which is lower than the Colorado private school average of 24%.
What percentage of private high schools are religiously affiliated in Boulder?
17% of private high schools in Boulder are religiously affiliated (most commonly Other).
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