Blanchard was best known for playing Riley Matthews in the Disney Channel series Girl Meets World. She was in Little in Common as Raquel Pacheco. She was in The Back-up Plan as Mona's Kid (7 yrs). She also was in Dance-A-Lot Robot as Caitlin.
In late January 2013, Blanchard was cast as Riley Matthews in the Disney Channel original series Girl Meets World. The titular character is the daughter of Cory and Topanga from Boy Meets World. In 2015, Blanchard starred in the Disney Channel Original MovieInvisible Sister alongside Paris Berelc and Karan Brar.
She is represented by Commercial Talent and Untitled Entertainment.