Lawrence is a member of the Kansas State High School Activities Association and offers a variety of sports programs.

Extracurricular activities are also offered in the form of performing arts, school publications, and clubs.

He would go on to become a famous cartoonist with works appearing in Mad magazine, and on Hallmark Cards products, and is also the original author of the "Frosty the Snowman" character.

The high school occupied a succession of buildings until the opening of the present campus, at 19th and Louisiana Streets, in 1954.

The building was expanded repeatedly over the ensuing forty years, as the school district struggled to keep pace with the growth of Lawrence's population.

Many graduates have gone on to participate in collegiate and professional athletics including former KU All-Americans Danny Manning, John Hadl and Paul Endacott.

Currently Lawrence High has more than 110 state championships in various sports, one of the highest totals in the nation.

[6][7][8][9] The Lawrence High School Chesty Lions have 31 undefeated seasons in football, the most in the United States.