Columbine, Colorado Columbine, Colorado Columbine is a census-designated place (CDP) in Arapahoe and Jefferson counties in the U.S. state of Colorado. Located mostly in Jefferson County, it lies immediately west of Littleton. The population was 24,280 at the 2010 census. Columbine High School, made infamous by the Columbine High School massacre in April 1999, is located in the community. The ZIP codes for the community are 80123 and 80128. Columbine is located on the eastern edge of Jefferson County at (39.587887, -105.069332), with a small portion extending east into Arapahoe County. Columbine is bordered to the east by Littleton and Columbine Valley,
Columbine High School massacre numbering to improve public safety response. Several schools throughout the country resorted to requiring students to wear computer-generated IDs. Schools also adopted a zero tolerance approach to possession of weapons and threatening behavior by students. Despite the effort, several social science experts feel the zero tolerance approach adopted in schools has been implemented too harshly, with unintended consequences creating other problems. Some schools renewed existing anti-bullying policies. Rachel's Challenge was started by Rachel Scott's parents, and lectures schools about bullying and suicide. Police departments reassessed their tactics and now train for Columbine-like situations after criticism over the slow response and