Longmont High School
| Name | Longmont High School |
| Grades | Class 09 to Class 12 |
| Address | 1040 SUNSET STREET |
| City | Longmont |
| School District | St. Vrain Valley School District No. Re1J |
| County | Boulder County |
| Zipcode | 80501 |
| Phone No. | (303)776-6014 |
| State | Colorado |
| Suburb | Small |
| Students | 1265 |
| Teachers | 62 |
| Student Teacher Ratio | 20.4 students per teacher |
| Charter School | No |
| Magnet School | No |
Longmont High School is located at 1040 SUNSET STREET in Longmont city of Boulder County county in Colorado. This school comes under St. Vrain Valley School District No. Re1J. You can call them at (303)776-6014 for more details. This is not a magnet school. Total one thousand two hundred sixty five students from class 09 to class 12 study in this school who are taught by sixty two teachers. This is not a charter school. The student teacher ratio of this school is 20.4.