For the 2025 school year, there are 22 public high schools serving 17,927 students in Boulder County, CO. The top ranked public high schools in Boulder County, CO are Fairview High School, Monarch High School and Boulder High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Boulder County, CO public high schools have an average math proficiency score of 50% (versus the Colorado public high school average of 33%), and reading proficiency score of 71% (versus the 53% statewide average). High schools in Boulder County have an average ranking of 10/10, which is in the top 5% of Colorado public high schools.
Boulder County, CO public high school have a Graduation Rate of 92%, which is more than the Colorado average of 82%.
The school with highest graduation rate is Erie High School, with 98% graduation rate. Read more about public school graduation rate statistics in Colorado or national school graduation rate statistics.
Minority enrollment is 33% of the student body (majority Hispanic), which is less than the Colorado public high school average of 49% (majority Hispanic).
Best Public High Schools in Boulder County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Fairview High School
(Math: 72% | Reading: 86%)
Rank:
Rank:
10/
Top 1%10
1515 Greenbriar Boulevard
Boulder, CO 80305
(720) 561-3100
Boulder, CO 80305
(720) 561-3100
Grades: 9-12
| 1,847 students
Rank: #22.
Monarch High School
(Math: 66% | Reading: 85%)
Rank:
Rank:
10/
Top 5%10
329 Campus Drive
Louisville, CO 80027
(720) 561-4200
Louisville, CO 80027
(720) 561-4200
Grades: 9-12
| 1,447 students
Rank: #33.
Boulder High School
(Math: 56% | Reading: 80%)
Rank:
Rank:
10/
Top 10%10
1604 Arapahoe Avenue
Boulder, CO 80302
(720) 561-2200
Boulder, CO 80302
(720) 561-2200
Grades: 9-12
| 2,022 students
Rank: #44.
Centaurus High School
(Math: 52% | Reading: 76%)
Rank:
Rank:
10/
Top 10%10
10300 South Boulder Road
Lafayette, CO 80026
(720) 561-7500
Lafayette, CO 80026
(720) 561-7500
Grades: 9-12
| 1,561 students
Rank: #55.
Silver Creek High School
(Math: 51% | Reading: 82%)
Rank:
Rank:
10/
Top 10%10
4901 Nelson Road
Longmont, CO 80503
(720) 494-3721
Longmont, CO 80503
(720) 494-3721
Grades: 9-12
| 1,215 students
Rank: #66.
Erie High School
(Math: 51% | Reading: 76%)
Rank:
Rank:
10/
Top 10%10
3180 County Road 5
Erie, CO 80516
(303) 828-4213
Erie, CO 80516
(303) 828-4213
Grades: 9-12
| 1,759 students
Rank: #77.
Peak To Peak Charter School
Charter School
(Math: 55% | Reading: 67%)
Rank:
Rank:
10/
Top 10%10
800 Merlin Drive
Lafayette, CO 80026
(303) 453-4600
Lafayette, CO 80026
(303) 453-4600
Grades: K-12
| 1,452 students
Rank: #88.
Apex Home School Enrichment Program
(Math: 40-59% | Reading: 60-79% )
Rank:
Rank:
9/
Top 20%10
1351 S. Sunset St Unit B
Longmont, CO 80501
(303) 702-8600
Longmont, CO 80501
(303) 702-8600
Grades: K-12
| 717 students
Rank: #99.
Niwot High School
(Math: 45% | Reading: 71%)
Rank:
Rank:
9/
Top 20%10
8989 E. Niwot Road
Longmont, CO 80503
(303) 652-2550
Longmont, CO 80503
(303) 652-2550
Grades: 9-12
| 1,466 students
Rank: #1010.
Lyons Middle/senior High School
(Math: 40-44% | Reading: 70-74%)
Rank:
Rank:
9/
Top 20%10
100 Mcconnell Drive
Lyons, CO 80540
(303) 823-6631
Lyons, CO 80540
(303) 823-6631
Grades: 6-12
| 352 students
Rank: #1111.
Boulder Universal
(Math: 30-39% | Reading: 70-79%)
Rank:
Rank:
8/
Top 30%10
6500 East Arapahoe Road
Boulder, CO 80303
(720) 561-6253
Boulder, CO 80303
(720) 561-6253
Grades: K-12
| 226 students
Rank: #1212.
Twin Peaks Charter Academy
Charter School
(Math: 44% | Reading: 56%)
Rank:
Rank:
8/
Top 30%10
340 South Sunset Street
Longmont, CO 80501
(303) 772-7286
Longmont, CO 80501
(303) 772-7286
Grades: K-12
| 852 students
Rank: #1313.
Justice High Charter School
Alternative School
Charter School
Charter School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
805 Excalibur
Lafayette, CO 80026
(720) 935-1337
Lafayette, CO 80026
(720) 935-1337
Grades: 6-12
| 103 students
Rank: #1414.
Longmont High School
(Math: 35% | Reading: 62%)
Rank:
Rank:
8/
Top 30%10
1040 Sunset Street
Longmont, CO 80501
(303) 776-6014
Longmont, CO 80501
(303) 776-6014
Grades: 9-12
| 1,254 students
Rank: #1515.
St. Vrain Virtual High School
Alternative School
(Math: 21-39% | Reading: 60-79%)
Rank:
Rank:
8/
Top 30%10
1200 South Sunset Street
Longmont, CO 80501
(303) 591-8627
Longmont, CO 80501
(303) 591-8627
Grades: 9-12
| 79 students
Rank: #1616.
New Vista High School
(Math: 20-29% | Reading: 70-79%)
Rank:
Rank:
7/
Top 50%10
700 20th Street
Boulder, CO 80302
(720) 561-8700
Boulder, CO 80302
(720) 561-8700
Grades: 9-12
| 319 students
Rank: #1717.
Nederland Middle-senior High School
(Math: 30-34% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
597 Eldora Road
Nederland, CO 80466
(720) 561-4900
Nederland, CO 80466
(720) 561-4900
Grades: 6-12
| 245 students
Rank: #1818.
St. Vrain Launched Virtual Academy
(Math: 20-24% | Reading: 30-34%)
Rank:
Rank:
4/
Bottom 50%10
395 S. Pratt Parkway
Longmont, CO 80501
(303) 702-8800
Longmont, CO 80501
(303) 702-8800
Grades: K-12
| 329 students
Rank: #1919.
New Meridian High School
Alternative School
(Math: ≤10% | Reading: 20-29%)
Rank:
Rank:
2/
Bottom 50%10
1200 South Sunset
Longmont, CO 80501
(720) 494-3961
Longmont, CO 80501
(720) 494-3961
Grades: 9-12
| 99 students
Rank: #2020.
Arapahoe Ridge High School
Alternative School
(Math: ≤10% | Reading: 11-19%)
Rank:
Rank:
1/
Bottom 50%10
6600 Arapahoe Avenue
Boulder, CO 80303
(720) 561-5220
Boulder, CO 80303
(720) 561-5220
Grades: 9-12
| 245 students
Rank: n/an/a
Boulder Prep Charter High School
Alternative School
Charter School
Charter School
5075 Chaparral Court #1
Boulder, CO 80301
(303) 545-6186
Boulder, CO 80301
(303) 545-6186
Grades: 9-12
| 115 students
Rank: n/an/a
1942 Broadway Street Ste 314c
Boulder, CO 80302
(303) 345-4145
Boulder, CO 80302
(303) 345-4145
Grades: 6-12
| 223 students
Boulder County Public Schools (Closed)
School
Location
Grades
Students
Adult Educationlincoln Center (Closed 2014)
Alternative School
820 Main St
Longmont, CO 80501
(303) 678-5662
Longmont, CO 80501
(303) 678-5662
Grades: 6-12
| 122 students
700 20th Street
Boulder, CO 80302
(303) 443-1062
Boulder, CO 80302
(303) 443-1062
Grades: 6-8
| 416 students
7690 East Baseline Rd
Boulder, CO 80303
(720) 561-5500
Boulder, CO 80303
(720) 561-5500
Grades: K-12
| 11 students
Halcyon School (Special Education) (Closed 2023)
Special Education School
3100 Bucknell Court
Boulder, CO 80303
(720) 561-4700
Boulder, CO 80303
(720) 561-4700
Grades: 6-12
| 13 students
233 East Mountain View
Longmont, CO 80501
(303) 772-7900
Longmont, CO 80501
(303) 772-7900
Grades: 6-8
| 414 students
333 East Mountain View
Longmont, CO 80501
(303) 772-4280
Longmont, CO 80501
(303) 772-4280
Grades: PK-5
| 380 students
840 Mapleton Avenue
Boulder, CO 80304
(303) 442-6962
Boulder, CO 80304
(303) 442-6962
Grades: K-5
| 128 students
1200 South Sunset Street
Longmont, CO 80501
(720) 494-3975
Longmont, CO 80501
(720) 494-3975
Grades: 9-12
| n/a students
1200 South Sunset Street
Longmont, CO 80501
(720) 494-3969
Longmont, CO 80501
(720) 494-3969
Grades: 9-12
| 50 students
Sojourner Charter School (Closed 2004)
Charter School
3050 34th Street
Boulder, CO 80301
(303) 494-9210
Boulder, CO 80301
(303) 494-9210
Grades: 6-8
| 34 students
1440 Collyer St
Longmont, CO 80501
(720) 494-3761
Longmont, CO 80501
(720) 494-3761
Grades: PK-5
| 320 students
Ute Creek Secondary Charter Academy (Closed 2008)
Charter School
1198 Boston Avenue
Longmont, CO 80501
(303) 774-0066
Longmont, CO 80501
(303) 774-0066
Grades: 9-12
| 169 students
1215 Cedar Avenue
Boulder, CO 80304
(303) 449-6618
Boulder, CO 80304
(303) 449-6618
Grades: K-5
| 285 students
Frequently Asked Questions
What are the top ranked public high schools in Boulder County, CO?
The top ranked public high schools in Boulder County, CO include Fairview High School, Monarch High School and Boulder High School. Boulder County has one of the highest concentrations of top ranked public schools in Colorado.
How many public high schools are located in Boulderunty?
22 public high schools are located in Boulderunty.
What is the racial composition of students in Boulderunty?
Boulderunty public high schools minority enrollment is 33% of the student body (majority Hispanic), which is less than the Colorado public high schools average of 49% (majority Hispanic).
Which public high schools in Boulderunty are often viewed compared to one another?
Popular comparisons of public high schools in Boulderunty include: Boulder High School vs. Fairview High School, Centaurus High School vs. Monarch High School, Monarch High School vs. Centaurus High School
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