Devon Teuscher began her general dance training at the age of nine at Art In Motion Dance Studio in Champaign, IL. At age ten, Teuscher shifted to ballet specific training with Deanna Doty of the Champaign Urbana Ballet Academy in Champaign, IL. When her family moved to Vermont, she continued her training at the Vermont Ballet Theatre School in Essex, Vermont under the direction of Alex and Kirsten Nagiba. Teuscher attended summer intensives on full scholarship at The Kirov Ballet Academy, Pacific Northwest Ballet, and American Ballet Theatre's New York Intensive. Teuscher was awarded American Ballet Theatre's National Training Scholarship from 2003 to 2006. In January of 2005, Teuscher relocated to New York City to attend American Ballet Theatre’s Jacqueline Kennedy Onassis School on full scholarship.
Teuscher joined the ABT Studio Company in 2006. In December of 2007, she joined American Ballet Theatre as an apprentice and the corps de ballet in June 2008. Teuscher became a Soloist in August 2014 and Principal Dancer in September 2017.