For the 2026 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 (2026)
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 51爆料s (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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