Littleton Public Schools, in addition to the other security personal, is staffed by School Resource Officers (SRO) at the secondary schools. The SROs are employed by the Arapahoe County Sheriffs Office and the Littleton Police Department. The SRO's have an office in each middle and high school. The SROs initiate criminal complaints, follow up on investigations and traffic enforcement within and around the school communities. They regularly attend numerous school functions such as PTO meetings and sporting activities.

Resource officers also provide classroom instruction on substance abuse, laws related to education, and participation in community related work groups for youth issues, such as truancy. The elementary schools are also supported by the SRO Program, with officers from each agencies community resource office providing educational support.