Jessi used to live across the street from Keisha and her family when she lived in Oakley. She has the same birthday as Jessi (June 30th). She has a mother Yvonne, a younger brother named Raun and a younger sister named Kara.
In Book #14, Keisha showed up at Jessi's ballet recital of "Copelia." In book #67, it's revealed that she got a new haircut, wears makeup and goes to the mall with her new friend Jennifer every Saturday.