Jade Elizabeth Pettyjohn (born November 8, 2000) is an American teen actress. She is known for her roles as McKenna Brooks in An American Girl: McKenna Shoots for the Stars and as Summer on the Nickelodeon television series School of Rock.
Prior to her film and television career, she performed alongside a local children's song and dance troupe from the age of seven. Pettyjohn has also played various roles in several television series, such as in Revolution, Criminal Minds: Suspect Behavior, and Grimm. She co-starred in the Nickelodeon Original Movie Rufus 2 which aired in January 2017.