The Park Hill South swim team has had nine top-20 Missouri state finishes and 11 straight conference wins from 1998 to 2008.

Also in 2011, the Symphonic Band and Symphonic Orchestra traveled to New York City, New York to perform at the National Band and Orchestra Festival at Carnegie Hall under the conductors Dr Craig Miller and Valerie Bell.

In 2011 Valerie Bell retired and Diane Markley became the new director of the orchestral music program.

In January 2013, the Symphonic Orchestra, under the direction of Diane Markley, once again performed at the Missouri Music Educators Association conference.

[3] They had seen the slogan at the Parkville 'March for Unity' over the summer, a protest in solidarity of the plight of people of color in the United States.

[8] Between November 2023 and March 2024, a Park Hill South substitute teacher, football coach, and former student—Dillon Thomas—allegedly had an inappropriate relationship with a female student over text.