; and (B) whose scope of practice and experience includes the diagnosis and management of traumatic brain injury among a pediatric population. (3) Parent The term parent means biological or adoptive parents or legal guardians, as determined by applicable State law. (4) Public school The term public school means an elementary school or secondary school (as such terms are so defined), including any public charter school that is considered a local educational agency under State law, and which is not an Internet- or computer-based community school. (5) School personnel The term school personnel includes teachers, principals, administrators, counselors, social workers, psychologists, nurses, librarians, coaches and athletic trainers, and other support staff who are employed by a school or who perform services for the school on a contractual basis. (6) School-sponsored athletic activity The term school-sponsored athletic activity means— (A) any physical education class or program of a public school; (B) any athletic activity authorized by a public school that takes place during the school day on the school’s property; (C) any activity of an extracurricular sports team, club, or league organized by a public school