For the 2025-26 school year, there are 9 public middle schools serving 3,597 students in Boulder, CO. The top ranked public middle schools in Boulder, CO are Summit Middle Charter School, Southern Hills Middle School and Boulder Universal. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Boulder, CO public middle schools have an average math proficiency score of 48% (versus the Colorado public middle school average of 30%), and reading proficiency score of 63% (versus the 43% statewide average). Middle schools in Boulder have an average ranking of 10/10, which is in the top 10% of Colorado public middle schools.
Minority enrollment is 33% of the student body (majority Hispanic), which is less than the Colorado public middle school average of 50% (majority Hispanic).
Best Public Middle Schools in Boulder, CO (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Summit Middle Charter School
Charter School
(Math: 88% | Reading: 91%)
Rank:
Rank:
10/
Top 1%10
4655 Hanover Avenue
Boulder, CO 80305
(720) 561-3900
Boulder, CO 80305
(720) 561-3900
Gr: 6-8 | 361 students Student-teacher ratio: 16:1 Minority enrollment: 37%
Rank: #22.
Southern Hills Middle School
(Math: 65% | Reading: 83%)
Rank:
Rank:
10/
Top 5%10
1500 Knox Drive
Boulder, CO 80305
(720) 561-3400
Boulder, CO 80305
(720) 561-3400
Gr: 6-8 | 493 students Student-teacher ratio: 20:1 Minority enrollment: 25%
Rank: #33.
Boulder Universal
(Math: 60-79% | Reading: 70-79%)
Rank:
Rank:
10/
Top 5%10
6500 East Arapahoe Road
Boulder, CO 80303
(720) 561-6253
Boulder, CO 80303
(720) 561-6253
Gr: K-12 | 226 students Student-teacher ratio: 13:1 Minority enrollment: 37%
Rank: #44.
Horizons K-8 School
Alternative School
Charter School
Charter School
(Math: 53% | Reading: 65%)
Rank:
Rank:
9/
Top 20%10
4545 Sioux Drive
Boulder, CO 80303
(720) 561-5580
Boulder, CO 80303
(720) 561-5580
Gr: K-8 | 361 students Student-teacher ratio: 14:1 Minority enrollment: 18%
Rank: #55.
Manhattan Middle School Of The Arts And Academics
(Math: 40% | Reading: 58%)
Rank:
Rank:
8/
Top 30%10
290 Manhattan Drive
Boulder, CO 80303
(720) 561-6300
Boulder, CO 80303
(720) 561-6300
Gr: 6-8 | 418 students Student-teacher ratio: 17:1 Minority enrollment: 38%
Rank: #66.
Centennial Middle School
(Math: 42% | Reading: 52%)
Rank:
Rank:
7/
Top 50%10
2205 Norwood Avenue
Boulder, CO 80304
(720) 561-5441
Boulder, CO 80304
(720) 561-5441
Gr: 6-8 | 619 students Student-teacher ratio: 19:1 Minority enrollment: 35%
Rank: #77.
Nevin Platt Middle School
(Math: 38% | Reading: 53%)
Rank:
Rank:
7/
Top 50%10
6096 Baseline Road
Boulder, CO 80303
(720) 561-5536
Boulder, CO 80303
(720) 561-5536
Gr: 6-8 | 503 students Student-teacher ratio: 16:1 Minority enrollment: 17%
Rank: #88.
Casey Middle School
(Math: 22% | Reading: 44%)
Rank:
Rank:
5/
Bottom 50%10
1301 High Street
Boulder, CO 80304
(720) 561-2700
Boulder, CO 80304
(720) 561-2700
Gr: 6-8 | 393 students Student-teacher ratio: 12:1 Minority enrollment: 60%
Rank: n/an/a
1942 Broadway Street Ste 314c
Boulder, CO 80302
(303) 345-4145
Boulder, CO 80302
(303) 345-4145
Gr: 6-12 | 223 students Student-teacher ratio: 14:1 Minority enrollment: 35%
Boulder, Colorado Public Schools (Closed)
School
Location
Quick Facts
700 20th Street
Boulder, CO 80302
(303) 443-1062
Boulder, CO 80302
(303) 443-1062
Gr: 6-8 | 416 students Student-teacher ratio: 16:1 Minority enrollment: 31%
7690 East Baseline Rd
Boulder, CO 80303
(720) 561-5500
Boulder, CO 80303
(720) 561-5500
Gr: K-12 | 11 students Student-teacher ratio: 11:1 Minority enrollment: 27%
Halcyon School (Special Education) (Closed 2023)
Special Education School
3100 Bucknell Court
Boulder, CO 80303
(720) 561-4700
Boulder, CO 80303
(720) 561-4700
Gr: 6-12 | 13 students Student-teacher ratio: 3:1 Minority enrollment: 23%
840 Mapleton Avenue
Boulder, CO 80304
(303) 442-6962
Boulder, CO 80304
(303) 442-6962
Gr: K-5 | 128 students Minority enrollment: 9%
Sojourner Charter School (Closed 2004)
Charter School
3050 34th Street
Boulder, CO 80301
(303) 494-9210
Boulder, CO 80301
(303) 494-9210
Gr: 6-8 | 34 students Minority enrollment: 59%
1215 Cedar Avenue
Boulder, CO 80304
(303) 449-6618
Boulder, CO 80304
(303) 449-6618
Gr: K-5 | 285 students Student-teacher ratio: 18:1 Minority enrollment: 68%
Frequently Asked Questions
What are the top ranked public middle schools in Boulder, CO?
The top ranked public middle schools in Boulder, CO include Summit Middle Charter School, Southern Hills Middle School and Boulder Universal. Boulder has one of the highest concentrations of top ranked public schools in Colorado.
How many public middle schools are located in Boulder?
9 public middle schools are located in Boulder.
What is the racial composition of students in Boulder?
Boulder public middle schools minority enrollment is 33% of the student body (majority Hispanic), which is less than the Colorado public middle schools average of 50% (majority Hispanic).
Which public middle schools in Boulder are often viewed compared to one another?
Popular comparisons of public middle schools in Boulder include: Southern Hills Middle School vs. Summit Middle Charter School, Summit Middle Charter School vs. Southern Hills Middle School, Casey Middle School vs. Southern Hills Middle School
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