Colorado's third-most populous county has welcomed over 83,000 new residents in the decade between 2010 and 2020. Things have changed dramatically in Arapahoe County.

Arapahoe High School is ranked 34th within Colorado. ... Arapahoe High School is 1 of 3 high schools in the Littleton School District No. 6 In The County of Arapahoe. ... Explore Map. Ranked School.