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Public School Review - Established 2003

Best Boulder County Public Middle Schools (2026)

For the 2026 school year, there are 28 public middle schools serving 16,588 students in Boulder County, CO. The top-ranked public middle schools in Boulder County, CO are Summit Middle Charter School, Southern Hills Middle School and Eldorado K-8 School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Boulder County, CO public middle schools have an average math proficiency score of 46% (versus the Colorado public middle school average of 30%), and reading proficiency score of 57% (versus the 43% statewide average). Middle schools in Boulder County have an average ranking of 9/10, which is in the top 20% 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 52% (majority Hispanic).

Best Public Middle Schools in Boulder County (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Summit Middle Charter School
Charter School
(Math: 88% | Reading: 91%)
Rank:
10/
10
Top 1%
4655 Hanover Avenue
Boulder, CO 80305
(720) 561-3900
Gr: 6-8 | 366 students Student-teacher ratio: 17:1 Minority enrollment: 36%
Rank: #22.
Southern Hills Middle School
(Math: 65% | Reading: 83%)
Rank:
10/
10
Top 5%
1500 Knox Drive
Boulder, CO 80305
(720) 561-3400
Gr: 6-8 | 502 students Student-teacher ratio: 19:1 Minority enrollment: 27%
Rank: #33.
Eldorado K-8 School
(Math: 64% | Reading: 70%)
Rank:
10/
10
Top 10%
3351 South Indiana Street
Louisville, CO 80027
(720) 561-4400
Gr: PK-8 | 529 students Student-teacher ratio: 17:1 Minority enrollment: 26%
Rank: #44.
Peak To Peak Charter School
Charter School
(Math: 61% | Reading: 67%)
Rank:
10/
10
Top 10%
800 Merlin Drive
Lafayette, CO 80026
(303) 453-4600
Gr: K-12 | 1,447 students Student-teacher ratio: 18:1 Minority enrollment: 44%
Rank: #55.
Altona Middle School
(Math: 62% | Reading: 65%)
Rank:
10/
10
Top 10%
4600 Clover Basin Drive
Longmont, CO 80503
(720) 494-3980
Gr: 6-8 | 715 students Student-teacher ratio: 18:1 Minority enrollment: 31%
Rank: #66.
Lyons Middle/senior High School
(Math: 50-54% | Reading: 70-74%)
Rank:
10/
10
Top 10%
100 Mcconnell Drive
Lyons, CO 80540
(303) 823-6631
Gr: 6-12 | 344 students Student-teacher ratio: 14:1 Minority enrollment: 14%
Rank: #77.
Meadowlark School
(Math: 53% | Reading: 69%)
Rank:
9/
10
Top 20%
2300 Sweet Meadow Lane
Erie, CO 80516
(720) 561-5104
Gr: PK-8 | 747 students Student-teacher ratio: 19:1 Minority enrollment: 32%
Rank: #88.
Horizons K-8 School
Alternative School
Charter School
(Math: 53% | Reading: 65%)
Rank:
9/
10
Top 20%
4545 Sioux Drive
Boulder, CO 80303
(720) 561-5580
Gr: K-8 | 358 students Student-teacher ratio: 14:1 Minority enrollment: 17%
Rank: #99.
Monarch K-8 School
(Math: 50% | Reading: 64%)
Rank:
9/
10
Top 20%
263 Campus Drive
Louisville, CO 80027
(720) 561-4000
Gr: PK-8 | 698 students Student-teacher ratio: 15:1 Minority enrollment: 39%
Rank: #1010.
Louisville Middle School
(Math: 50% | Reading: 63%)
Rank:
9/
10
Top 20%
1341 Main Street
Louisville, CO 80027
(720) 561-7400
Gr: 6-8 | 626 students Student-teacher ratio: 18:1 Minority enrollment: 21%
Rank: #1111.
Twin Peaks Classical Academy
Charter School
(Math: 48% | Reading: 56%)
Rank:
8/
10
Top 30%
340 South Sunset Street
Longmont, CO 80501
(303) 772-7286
Gr: K-12 | 879 students Student-teacher ratio: 15:1 Minority enrollment: 39%
Rank: #1212.
Soaring Heights Pk-8
(Math: 47% | Reading: 56%)
Rank:
8/
10
Top 30%
3280 County Road 5
Erie, CO 80516
(303) 702-8020
Gr: PK-8 | 1,211 students Student-teacher ratio: 17:1 Minority enrollment: 26%
Rank: #1313.
Flagstaff Charter Academy
Charter School
(Math: 42% | Reading: 57%)
Rank:
8/
10
Top 30%
2040 Miller Drive
Longmont, CO 80501
(303) 651-7900
Gr: PK-8 | 725 students Student-teacher ratio: 13:1 Minority enrollment: 35%
Rank: #1414.
Aspen Ridge Preparatory School
Charter School
(Math: 48% | Reading: 52%)
Rank:
8/
10
Top 30%
705 Austin Avenue
Erie, CO 80516
(720) 242-6225
Gr: K-8 | 581 students Student-teacher ratio: 15:1 Minority enrollment: 19%
Rank: #1515.
Westview Middle School
(Math: 41% | Reading: 58%)
Rank:
8/
10
Top 30%
1651 Airport Road
Longmont, CO 80503
(303) 772-3134
Gr: 6-8 | 621 students Student-teacher ratio: 18:1 Minority enrollment: 29%
Rank: #1616.
Justice High Charter School
Alternative School
Charter School
(Math: <50% | Reading: <50%)
Rank:
8/
10
Top 30%
805 Excalibur
Lafayette, CO 80026
(720) 935-1337
Gr: 6-12 | 108 students Student-teacher ratio: 22:1 Minority enrollment: 71%
Rank: #1717.
Manhattan Middle School Of The Arts And Academics
(Math: 40% | Reading: 58%)
Rank:
8/
10
Top 30%
290 Manhattan Drive
Boulder, CO 80303
(720) 561-6300
Gr: 6-8 | 482 students Student-teacher ratio: 17:1 Minority enrollment: 40%
Rank: #1818.
St. Vrain Community Montessori School
Charter School
(Math: ≥50% | Reading: 40-59%)
Rank:
8/
10
Top 30%
1055 Delaware Ave.
Longmont, CO 80501
(303) 682-4339
Gr: PK-8 | 260 students Student-teacher ratio: 12:1 Minority enrollment: 20%
Rank: #1919.
Centennial Middle School
(Math: 42% | Reading: 52%)
Rank:
7/
10
Top 50%
2205 Norwood Avenue
Boulder, CO 80304
(720) 561-5441
Gr: 6-8 | 598 students Student-teacher ratio: 19:1 Minority enrollment: 36%
Rank: #2020.
Nevin Platt Middle School
(Math: 38% | Reading: 53%)
Rank:
7/
10
Top 50%
6096 Baseline Road
Boulder, CO 80303
(720) 561-5536
Gr: 6-8 | 483 students Student-teacher ratio: 17:1 Minority enrollment: 19%
Rank: #2121.
Erie Middle School
(Math: 45% | Reading: 48%)
Rank:
7/
10
Top 50%
650 Main Street
Erie, CO 80516
(303) 828-3391
Gr: 6-8 | 762 students Student-teacher ratio: 20:1 Minority enrollment: 26%
Rank: #2222.
Nederland Middle-senior High School
(Math: 20-24% | Reading: 55-59%)
Rank:
6/
10
Top 50%
597 Eldora Road
Nederland, CO 80466
(720) 561-4900
Gr: 6-12 | 235 students Student-teacher ratio: 13:1 Minority enrollment: 12%
Rank: #2323.
Casey Middle School
(Math: 22% | Reading: 44%)
Rank:
5/
10
Bottom 50%
1301 High Street
Boulder, CO 80304
(720) 561-2700
Gr: 6-8 | 363 students Student-teacher ratio: 13:1 Minority enrollment: 62%
Rank: #2424.
Angevine Middle School
(Math: 26% | Reading: 41%)
Rank:
5/
10
Bottom 50%
1150 W South Boulder Road
Lafayette, CO 80026
(720) 561-7100
Gr: 6-8 | 619 students Student-teacher ratio: 15:1 Minority enrollment: 50%
Rank: #2525.
Sunset Middle School
(Math: 21% | Reading: 32%)
Rank:
4/
10
Bottom 50%
1300 S. Sunset
Longmont, CO 80501
(303) 776-3963
Gr: 6-8 | 316 students Student-teacher ratio: 13:1 Minority enrollment: 60%
Rank: #2626.
St. Vrain Launched Virtual Academy
(Math: 15-19% | Reading: 30-34%)
Rank:
4/
10
Bottom 50%
395 S. Pratt Parkway
Longmont, CO 80501
(303) 702-8800
Gr: K-12 | 342 students Student-teacher ratio: 13:1 Minority enrollment: 52%
Rank: #2727.
Longs Peak Middle School
(Math: 10% | Reading: 17%)
Rank:
1/
10
Bottom 50%
1500 14th Avenue
Longmont, CO 80501
(303) 776-5611
Gr: 5-8 | 381 students Student-teacher ratio: 12:1 Minority enrollment: 76%
Rank: n/an/a
Williamsburg Academy Of Colorado
1942 Broadway Street Ste 314c
Boulder, CO 80302
(303) 345-4145
Gr: 6-12 | 622 students Student-teacher ratio: 31:1 Minority enrollment: 43%

Frequently Asked Questions

What are the top-ranked public middle schools in Boulder County, CO?
The top-ranked public middle schools in Boulder County, CO include Summit Middle Charter School, Southern Hills Middle School and Eldorado K-8 School. Boulder County has one of the highest concentrations of top-ranked public schools in Colorado.
How many public middle schools are located in Boulderunty?
30 public middle schools are located in Boulderunty.
What is the racial composition of students in Boulderunty?
Boulderunty public middle schools minority enrollment is 33% of the student body (majority Hispanic), which is less than the Colorado public middle schools average of 52% (majority Hispanic).
Which public middle schools in Boulderunty are often viewed compared to one another?

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