Derby High School is losing nine teachers from the 2018-2019 school year.

Three teachers are retiring — Bill Welch, Allen Tullis and Karen Bainter.

Six other teachers will be moving on in their careers — Mitch Pontious, Logan Posson, Robin Wallace, Karla Long, Travis Keller and Rachael Shipley.

Keller and Shipley are going to Mulvane High, while Pontious will be an assistant principal at Derby Middle School.