Sarah Hay grew up in Princeton, NJ. She began her dance training at age seven at the School of American Ballet. At age 14, Ms. Hay was accepted to the Jacqueline Kennedy Onassis School at American Ballet Theatre, where she studied for three years. During that time, she performed with American Ballet Theatre II. While in training, she attended summer programs on scholarship at Chautauqua Institution, Miami City Ballet, and American Ballet Theatre.

In the summer of 2006, Ms. Hay performed with the Chautauqua Dance Theatre and later joined North Carolina Dance Theatre for the 2006-2007 season. While dancing with NCDT, Ms. Hay performed soloist roles in Cinderella, Paquita, and The Nutcracker.

From 2007-2009, she danced and choreographed for Pennsylvania Ballet II. Ms. Hay has been promoted to Apprentice for the 2009-2010 Season.