The private ceremony was held at Saint Margaret's Episcopal School in San Juan Capistrano where she was a student.
Calabasas helicopter crash: What we know about all 9 victims
Thirteen-year-old Payton played basketball with Kobe's daughter, Gianna, one of the other victims of the crash.
Her mother, Sarah, sat on the Board of Trustees at the school.
OC coach killed in Calabasas helicopter crash remembered by husband