In January 2005, at the age of 15, Teuscher started to study at American Ballet Theatre’s Jacqueline Kennedy Onassis School on full scholarship.
[1][4] Alexei Ratmansky selected Teuscher originate the sole woman in his new work, Serenade after Plato’s Symposium, which debuted in 2016.
[6] One of Teuscher’s first principle role is Odette/Odile in Swan Lake, which the New York Times wrote that she was “the complete package, a mixture of astonishing technique, grandeur and ease.”[7] Teuscher became a Principal Dancer at the American Ballet Theatre in September 2017.
"[10] Teuscher played the role of Myrta in the American Ballet Theatre's Giselle in 2021.
Teuscher's partner is Cory Stearns, also a principal dancer at the American Ballet Theatre.