Colorado Alumni

Our listing of graduates from Colorado includes over 151,000 alumni from 768 schools in 229 cities. The alumni list contains approximately 4% of the people 18 and over that could be high school graduates. If you can't find your high school friends in our alumni list, try the search box above to search all over the web to reconnect with other Colorado graduates.

Colorado Alumni by City

Colorado High School Students

The U.S. Census estimates that approximately 339,000 people in CO are ages 15 to 19 and could currently be attending high school. Colorado is also home to approximately 139,000 people ages 18-19 that are the normal age to be high school seniors. Approximately 7% of Colorado's population is the age to attend high school, and 3% are the normal age to be high school seniors.