Sheth attended Liberty High School (Bethlehem, Pennsylvania), where she was very involved in school organizations and student government, serving on the student advisory board. She received the Student Government Award for her contribution to the school, and was one of two students invited to speak at her commencement. While in high school, Sheth discovered her passion for acting and was determined to master the craft through study and performance. After considering a variety of undergraduate programs, Sheth auditioned and was accepted to the Tisch School of the Arts at New York University.