Complex sentence: Jade Pettyjohn (born November 8,2000) is an American teen actress and singer known for her roles as McKenna Brooks in' and as Summer on the Nickelodeon television series "School of Rock".
Split into simpler sentences: Jade Pettyjohn (born November 8,2000) is an American teen actress. She is known her roles as McKenna Brooks in' and as Summer on the Nickelodeon television series "School of Rock".