Skyline High School is a public high school in Longmont, Colorado, United States. It is part of the St. Vrain Valley School District. Current enrollment at the school is approximately 1260 students, in grades 9-12. The school mascot is the Falcon, and the school colors are red and yellow. Notable alumni J. J. Raterink, Arena Football League player. Kristen Schaal, actress and comedian JD Smith (born Joshua Seefried), founder of OutServe References Public high schools in Colorado Schools in Boulder County, Colorado Longmont, Colorado Educational institutions established in 1978