Shchennikova turned senior in 2017 and was added to the Senior National Team. She competed at the City of Jesolo Trophy where the USA placed first. She also placed eighth in the All-Around. In July, Shchennikova competed at the U.S. Classic where she placed first in the All-Around and second on Uneven Bars behind Ragan Smith. In August she competed at the National Championships where she placed eighth in the All-Around.