Top 5 Best Boulder County Public Charter Schools (2022-23)

For the 2022-23 school year, there are 9 public charter schools serving 4,695 students in Boulder County, CO. The top ranked public charter schools in Boulder County, CO are Summit Middle Charter School, Peak To Peak Charter School and Horizons K-8 School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Boulder County, CO public charter schools have an average math proficiency score of 55% (versus the Colorado public charter school average of 38%), and reading proficiency score of 68% (versus the 51% statewide average). Charter schools in Boulder County have an average ranking of 10/10, which is in the top 10% of Colorado public charter schools.
Minority enrollment is 33% of the student body (majority Hispanic), which is less than the Colorado public charter school average of 49% (majority Hispanic).

Best Boulder County Public Charter Schools (2022-23)

School (Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Summit Middle Charter School
Charter School
Math: 82% | Reading: 89%
Rank:
10/
10
Top 1%
4655 Hanover Avenue
Boulder, CO 80305
(720) 561-3900
Grades: 6-8
| 356 students
Rank: #22.
Peak To Peak Charter School
Charter School
Math: 61% | Reading: 75%
Rank:
10/
10
Top 10%
800 Merlin Drive
Lafayette, CO 80026
(303) 453-4600
Grades: K-12
| 1,453 students
Rank: #33.
Horizons K-8 School
Alternative School
Charter School
Math: 55-59% | Reading: 75-79%
Rank:
10/
10
Top 10%
4545 Sioux Drive
Boulder, CO 80303
(720) 561-5580
Grades: K-8
| 348 students
Rank: #44.
Flagstaff Charter Academy
Charter School
Math: 49% | Reading: 64%
Rank:
9/
10
Top 20%
1841 Left Hand Circle
Longmont, CO 80501
(303) 651-7900
Grades: PK-8
| 806 students
Rank: #55.
Twin Peaks Charter Academy
Charter School
Math: 46% | Reading: 58%
Rank:
8/
10
Top 30%
340 South Sunset Street
Longmont, CO 80501
(303) 772-7286
Grades: K-12
| 808 students
Rank: #66.
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
Grades: 6-12
| 87 students
Rank: #77.
Aspen Ridge Preparatory School
Charter School
Math: 35% | Reading: 40%
Rank:
5/
10
Bottom 50%
705 Austin Avenue
Erie, CO 80516
(720) 242-6225
Grades: K-8
| 482 students
Rank: #88.
St. Vrain Community Montessori School
Charter School
Math: ≤20% | Reading: 40-59%
Rank:
5/
10
Bottom 50%
1067 South Hover St Pmb E235
Longmont, CO 80501
(303) 682-4339
Grades: PK-8
| 249 students
Rank: n/an/a
Boulder Prep Charter High School
Alternative School
Charter School
5075 Chaparral Court #1
Boulder, CO 80301
(303) 545-6186
Grades: 9-12
| 106 students
[+] Show Closed Public Schools in Boulder County, CO

Boulder County Public Schools (Closed)

School
Location
Grades
Students
820 Main St
Longmont, CO 80501
(303) 678-5662
Grades: 6-12
| 122 students
700 20th Street
Boulder, CO 80302
(303) 443-1062
Grades: 6-8
| 416 students
7690 East Baseline Rd
Boulder, CO 80303
(720) 561-5500
Grades: K-12
| 11 students
3100 Bucknell Court
Boulder, CO 80303
(720) 561-4700
Grades: 6-12
| 13 students
233 East Mountain View
Longmont, CO 80501
(303) 772-7900
Grades: 6-8
| 414 students
333 East Mountain View
Longmont, CO 80501
(303) 772-4280
Grades: PK-5
| 380 students
840 Mapleton Avenue
Boulder, CO 80304
(303) 442-6962
Grades: K-5
| 128 students
1200 South Sunset Street
Longmont, CO 80501
(720) 494-3969
Grades: 9-12
| 50 students
3050 34th Street
Boulder, CO 80301
(303) 494-9210
Grades: 6-8
| 34 students
1440 Collyer St
Longmont, CO 80501
(720) 494-3761
Grades: PK-5
| 320 students
1198 Boston Avenue
Longmont, CO 80501
(303) 774-0066
Grades: 9-12
| 169 students
1215 Cedar Avenue
Boulder, CO 80304
(303) 449-6618
Grades: K-5
| 285 students

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