For the 2025 school year, there are 11 public high schools serving 9,763 students in Longmont, CO.
The top ranked public high schools in Longmont, CO are Silver Creek High School, Niwot High School and Apex Home School Enrichment Program. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Longmont, CO public high schools have an average math proficiency score of 40% (versus the Colorado public high school average of 34%), and reading proficiency score of 59% (versus the 53% statewide average). High schools in Longmont have an average ranking of 9/10, which is in the top 20% of Colorado public high schools.
Longmont, 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 Mead 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 41% 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 Longmont, CO (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
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
Grades: 9-12
| 1,215 students
Rank: #22.
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
Grades: 9-12
| 1,466 students
Rank: #33.
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: #44.
St. Vrain Virtual High School
Alternative School
(Math: 40-59% | Reading: 60-79%)
Rank:
Rank:
9/
Top 20%10
1200 South Sunset Street
Longmont, CO 80501
(303) 591-8627
Longmont, CO 80501
(303) 591-8627
Grades: 9-12
| 79 students
Rank: #55.
Mead High School
(Math: 41% | Reading: 70%)
Rank:
Rank:
9/
Top 20%10
12750 County Road #7
Longmont, CO 80504
(720) 494-3940
Longmont, CO 80504
(720) 494-3940
Grades: 9-12
| 1,095 students
Rank: #66.
Twin Peaks Charter 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
Grades: K-12
| 852 students
Rank: #77.
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
Grades: 9-12
| 1,254 students
Rank: #88.
Frederick Senior High School
(Math: 26% | Reading: 51%)
Rank:
Rank:
6/
Top 50%10
5960 Tipple Parkway
Longmont, CO 80504
(303) 833-3533
Longmont, CO 80504
(303) 833-3533
Grades: 9-12
| 1,460 students
Rank: #99.
Skyline High School
(Math: 25% | Reading: 40%)
Rank:
Rank:
5/
Bottom 50%10
600 East Mountain View
Longmont, CO 80504
(720) 494-3741
Longmont, CO 80504
(720) 494-3741
Grades: 9-12
| 1,197 students
Rank: #1010.
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
Grades: K-12
| 329 students
Rank: #1111.
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
Longmont, Colorado 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
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
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
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
Frequently Asked Questions
What are the top ranked public high schools in Longmont, CO?
The top ranked public high schools in Longmont, CO include Silver Creek High School, Niwot High School and Apex Home School Enrichment Program.
How many public high schools are located in Longmont?
11 public high schools are located in Longmont.
What is the racial composition of students in Longmont?
Longmont public high schools minority enrollment is 41% 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 Longmont are often viewed compared to one another?
Popular comparisons of public high schools in Longmont include: Frederick Senior High School vs. Mead High School, Mead High School vs. Frederick Senior High School, Longmont High School vs. Silver Creek High School
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