For the 2026 school year, there are 19 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, Boulder High School and Monarch 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 54% (versus the Colorado public high school average of 34%), 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 Fairview 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 51% (majority Hispanic).
Best Public High Schools in Boulder County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Fairview High School
(Math: 73% | Reading: 86%)
Rank:
Rank:
10/
Top 1%10
1515 Greenbriar Boulevard
Boulder, CO 80305
(720) 561-3100
Boulder, CO 80305
(720) 561-3100
Gr: 9-12 | 1,863 students Student-teacher ratio: 23:1 Minority enrollment: 32%
Rank: #22.
Boulder High School
(Math: 62% | Reading: 80%)
Rank:
Rank:
10/
Top 5%10
1604 Arapahoe Avenue
Boulder, CO 80302
(720) 561-2200
Boulder, CO 80302
(720) 561-2200
Gr: 9-12 | 1,939 students Student-teacher ratio: 21:1 Minority enrollment: 38%
Rank: #33.
Monarch High School
(Math: 57% | Reading: 85%)
Rank:
Rank:
10/
Top 5%10
329 Campus Drive
Louisville, CO 80027
(720) 561-4200
Louisville, CO 80027
(720) 561-4200
Gr: 9-12 | 1,431 students Student-teacher ratio: 22:1 Minority enrollment: 23%
Rank: #44.
Silver Creek High School
(Math: 53% | Reading: 82%)
Rank:
Rank:
10/
Top 10%10
4901 Nelson Road
Longmont, CO 80503
(720) 494-3721
Longmont, CO 80503
(720) 494-3721
Gr: 9-12 | 1,208 students Student-teacher ratio: 23:1 Minority enrollment: 32%
Rank: #5 - 65. - 6.
Centaurus High School
(Math: 56% | Reading: 76%)
Rank:
Rank:
10/
Top 10%10
10300 South Boulder Road
Lafayette, CO 80026
(720) 561-7500
Lafayette, CO 80026
(720) 561-7500
Gr: 9-12 | 1,557 students Student-teacher ratio: 20:1 Minority enrollment: 36%
Rank: #5 - 65. - 6.
Erie High School
(Math: 56% | Reading: 76%)
Rank:
Rank:
10/
Top 10%10
3180 County Road 5
Erie, CO 80516
(303) 828-4213
Erie, CO 80516
(303) 828-4213
Gr: 9-12 | 1,727 students Student-teacher ratio: 23:1 Minority enrollment: 23%
Rank: #77.
Peak To Peak Charter School
Charter School
(Math: 61% | Reading: 67%)
Rank:
Rank:
10/
Top 10%10
800 Merlin Drive
Lafayette, CO 80026
(303) 453-4600
Lafayette, CO 80026
(303) 453-4600
Gr: K-12 | 1,447 students Student-teacher ratio: 18:1 Minority enrollment: 44%
Rank: #88.
Lyons Middle/senior High School
(Math: 50-54% | Reading: 70-74%)
Rank:
Rank:
10/
Top 10%10
100 Mcconnell Drive
Lyons, CO 80540
(303) 823-6631
Lyons, CO 80540
(303) 823-6631
Gr: 6-12 | 344 students Student-teacher ratio: 14:1 Minority enrollment: 14%
Rank: #99.
Niwot High School
(Math: 53% | Reading: 71%)
Rank:
Rank:
9/
Top 20%10
8989 E. Niwot Road
Longmont, CO 80503
(303) 652-2550
Longmont, CO 80503
(303) 652-2550
Gr: 9-12 | 1,509 students Student-teacher ratio: 23:1 Minority enrollment: 36%
Rank: #1010.
Twin Peaks Classical Academy
Charter School
(Math: 48% | Reading: 56%)
Rank:
Rank:
8/
Top 30%10
340 South Sunset Street
Longmont, CO 80501
(303) 772-7286
Longmont, CO 80501
(303) 772-7286
Gr: K-12 | 879 students Student-teacher ratio: 15:1 Minority enrollment: 39%
Rank: #1111.
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
Gr: 6-12 | 108 students Student-teacher ratio: 22:1 Minority enrollment: 71%
Rank: #1212.
Longmont High School
(Math: 36% | Reading: 62%)
Rank:
Rank:
8/
Top 30%10
1040 Sunset Street
Longmont, CO 80501
(303) 776-6014
Longmont, CO 80501
(303) 776-6014
Gr: 9-12 | 1,268 students Student-teacher ratio: 20:1 Minority enrollment: 47%
Rank: #1313.
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
Gr: 9-12 | 327 students Student-teacher ratio: 18:1 Minority enrollment: 24%
Rank: #1414.
Nederland Middle-senior High School
(Math: 20-24% | Reading: 55-59%)
Rank:
Rank:
6/
Top 50%10
597 Eldora Road
Nederland, CO 80466
(720) 561-4900
Nederland, CO 80466
(720) 561-4900
Gr: 6-12 | 235 students Student-teacher ratio: 13:1 Minority enrollment: 12%
Rank: #1515.
St. Vrain Launched Virtual Academy
(Math: 15-19% | 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
Gr: K-12 | 342 students Student-teacher ratio: 13:1 Minority enrollment: 52%
Rank: #1616.
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
Gr: 9-12 | 95 students Student-teacher ratio: 10:1 Minority enrollment: 60%
Rank: #1717.
Arapahoe Ridge High School
Alternative School
(Math: ≤5% | Reading: 11-19%)
Rank:
Rank:
1/
Bottom 50%10
6600 Arapahoe Avenue
Boulder, CO 80303
(720) 561-5220
Boulder, CO 80303
(720) 561-5220
Gr: 9-12 | 184 students Student-teacher ratio: 15:1 Minority enrollment: 64%
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
Gr: 9-12 | 114 students Student-teacher ratio: 10:1 Minority enrollment: 43%
Rank: n/an/a
1942 Broadway Street Ste 314c
Boulder, CO 80302
(303) 345-4145
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 high schools in Boulder County, CO?
The top-ranked public high schools in Boulder County, CO include Fairview High School, Boulder High School and Monarch 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 51% (majority Hispanic).
Which public high schools in Boulderunty are often viewed compared to one another?
Popular comparisons of public high schools in Boulderunty include: Centaurus High School vs. Monarch High School, Boulder High School vs. Fairview High School, Monarch High School vs. Centaurus High School
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