Public schools in Longmont, CO
30 open public schools with an address in Longmont, operated by 1 education agency. Compare size, staffing, grade spans, and school type, then confirm assignment with the district.
Public schools
30
NCES preliminary directory 2025–26
Reported students
15,153
30 schools reporting · NCES 2024–25
Median student–teacher ratio
14.6:1
Colorado median 15.4:1
Charter schools
3
2 virtual
An overview of Longmont public schools
The federal directory lists 30 public schools in Longmont, CO: 17 elementary, 5 middle, 6 high, 2 combined or other. The 30 schools that reported 2024–25 membership enrolled 15,153 students, an average of 505 per school. The largest campus is Longmont High School (1,268 students), and the largest elementary school is Timberline PK-8 (762).
Every listed school belongs to St. Vrain Valley School District No. Re1J. City names come from school mailing addresses, which often differ from district or municipal boundaries.
Across schools that reported staffing, the median student–teacher ratio is 14.6:1, similar to the statewide school median of 15.4:1. A ratio counts classroom-teacher FTE against total enrollment, so specialized programs and part-time staffing can move it; ask schools for actual class sizes by grade.
School choice options include 3 charter schools, 2 virtual schools. Application windows and lotteries usually open months before the school year.
Among 8 high and combined schools with 2021–22 civil-rights data, 6 reported students enrolled in AP courses and 6 of 8 reported computer-science classes. Confirm current course catalogs directly with each school.
About 46% of students in reporting schools were eligible for free or reduced-price meals in 2024–25. This describes the community served; it is not a quality signal, and community-eligibility schools can report differently.
School districts and agencies serving Longmont
Elementary schools in Longmont
17| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Alpine Elementary School St. Vrain Valley School District No. Re1J | PK–05 | 388 | 14.6:1 | |
| Blue Mountain Elementary St. Vrain Valley School District No. Re1J | PK–05 | 542 | 17:1 | |
| Burlington Elementary School St. Vrain Valley School District No. Re1J | PK–05 | 320 | 15.3:1 | |
| Central Elementary School St. Vrain Valley School District No. Re1J | PK–05 | 344 | 16.3:1 | |
| Columbine Elementary School St. Vrain Valley School District No. Re1J | PK–05 | 231 | 12.1:1 | |
| Eagle Crest Elementary School St. Vrain Valley School District No. Re1J | PK–05 | 421 | 15.7:1 | |
| Fall River Elementary School St. Vrain Valley School District No. Re1J | PK–05 | 520 | 18:1 | |
| Flagstaff Charter Academy St. Vrain Valley School District No. Re1J · Charter | PK–08 | 725 | 13.2:1 | |
| Hygiene Elementary School St. Vrain Valley School District No. Re1J | PK–05 | 313 | 16.7:1 | |
| Indian Peaks Elementary School St. Vrain Valley School District No. Re1J | PK–05 | 214 | 10.4:1 | |
| Longmont Estates Elementary School St. Vrain Valley School District No. Re1J | PK–05 | 365 | 15:1 | |
| Mountain View Elementary School St. Vrain Valley School District No. Re1J | PK–04 | 321 | 12.1:1 | |
| Northridge Elementary School St. Vrain Valley School District No. Re1J | PK–05 | 318 | 13.3:1 | |
| Rocky Mountain Elementary School St. Vrain Valley School District No. Re1J | PK–05 | 315 | 13.7:1 | |
| Sanborn Elementary School St. Vrain Valley School District No. Re1J | PK–05 | 209 | 12.3:1 | |
| St. Vrain Community Montessori School St. Vrain Valley School District No. Re1J · Charter | PK–08 | 260 | 12.2:1 | |
| Timberline PK-8 St. Vrain Valley School District No. Re1J | PK–08 | 762 | 13.7:1 |
Middle schools in Longmont
5| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Altona Middle School St. Vrain Valley School District No. Re1J | 06–08 | 715 | 18.5:1 | |
| Longs Peak Middle School St. Vrain Valley School District No. Re1J | 05–08 | 381 | 12.5:1 | |
| Sunset Middle School St. Vrain Valley School District No. Re1J | 06–08 | 316 | 12.5:1 | |
| Trail Ridge Middle School St. Vrain Valley School District No. Re1J | 06–08 | 435 | 14.7:1 | |
| Westview Middle School St. Vrain Valley School District No. Re1J | 06–08 | 621 | 18.5:1 |
High schools in Longmont
6| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Longmont High School St. Vrain Valley School District No. Re1J | 09–12 | 1,268 | 20.2:1 | |
| Mead High School St. Vrain Valley School District No. Re1J | 09–12 | 1,174 | 21.1:1 | |
| New Meridian High School St. Vrain Valley School District No. Re1J · Alternative School | 09–12 | 95 | 9.5:1 | |
| Silver Creek High School St. Vrain Valley School District No. Re1J | 09–12 | 1,208 | 23:1 | |
| Skyline High School St. Vrain Valley School District No. Re1J | 09–12 | 1,082 | 18.5:1 | |
| St. Vrain Virtual High School St. Vrain Valley School District No. Re1J · Virtual · Alternative School | 09–12 | 69 | 3.5:1 |
Combined, early-childhood, and other schools in Longmont
2| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| St. Vrain LaunchED Virtual Academy St. Vrain Valley School District No. Re1J · Virtual | KG–12 | 342 | 12.7:1 | |
| Twin Peaks Classical Academy St. Vrain Valley School District No. Re1J · Charter | KG–12 | 879 | 15.3:1 |
Student demographics
Race and ethnicity share of reported enrollment
- White51.1%
- Hispanic40.8%
- Black0.9%
- Asian2.9%
- American Indian / Alaska Native0.3%
- Native Hawaiian / Pacific Islander0.1%
- Multiracial3.9%
Enrollment-weighted across 30 Longmont schools with NCES CCD 2024–25 race/ethnicity counts (15,153 students). Privacy suppression can leave small gaps.
Questions about public schools in Longmont
How many public schools are in Longmont, CO?
The current NCES directory lists 30 open public schools with a location address in Longmont: 17 elementary, 5 middle, 6 high, 2 combined or other. Together they reported 15,153 students in 2024–25. The count includes charter, alternative, and special-purpose public schools; it excludes private schools.
Which school districts serve Longmont?
All listed public schools with an address in Longmont belong to St. Vrain Valley School District No. Re1J. Mailing cities do not always match district boundaries, so confirm the district for a specific home address.
What is the largest public high school in Longmont?
Longmont High School reported the largest high-school enrollment in Longmont, with 1,268 students in 2024–25 (grades 09–12). Size is a description of the campus, not a quality measure.
Are there charter schools in Longmont?
Yes. 3 of the 30 public schools in Longmont are identified as charter schools in the NCES directory, including Flagstaff Charter Academy, St. Vrain Community Montessori School, Twin Peaks Classical Academy. Charter schools are public and tuition-free, but admission usually uses an application or lottery.
What is the typical student–teacher ratio in Longmont schools?
The median reported student–teacher ratio across Longmont public schools is 14.6:1, similar to the Colorado school median of 15.4:1. The ratio divides enrollment by classroom-teacher FTE; it is not an average class size.
Does living in Longmont guarantee a seat at a specific school?
No. Assignment depends on the district's attendance boundaries, programs, and enrollment rules, which can split a city or cross city lines. Use the district profile and its official boundary or school-locator tool to confirm the assigned school for an exact address.
Nearby Colorado cities
Sources: NCES Common Core of Data 2025–26 preliminary directory (schools, grades, addresses, charter status) and 2024–25 nonfiscal files (enrollment, teachers, race/ethnicity, meal eligibility); Civil Rights Data Collection 2021–22 (AP and computer science). Cities are grouped by school mailing address. Methodology · All Colorado cities