In 1903, Mitchell received a new high school named Riley.

Students may earn the Indiana Honors Diploma, and college credits through Indiana Reform Institute in chemistry, language arts, calculus, and psychology.

The Mitchell High School band, called the Marching Blue Jackets, play at every home football and basketball game.

In the 2015-17 athletic seasons the Jackets competed in 2A competition in all sports, Cross country, wrestling and track and field do not have a class set-up in the state of Indiana.

Mitchell's athletic teams have won more than 30 conference titles, 36 Sectional championships, five Regional crowns, and State Finals appearances in boys' basketball (1940), girls' volleyball (2001), boys' cross country (2005), and most recently girls' basketball (2007).