The purpose of this part is to support programs that prevent violence in and around schools; that prevent the illegal use of alcohol, tobacco, and drugs; that involve parents and communities; and that are coordinated with related Federal, State, school, and community efforts and resources to foster a safe and drug-free learning environment that supports student academic achievement, through the provision of Federal assistance to - (1) States for grants to local educational agencies and consortia of such agencies to establish, operate, and improve local programs of school drug and violence prevention and early intervention; (2) States for grants to, and contracts with, community-based organizations and public and private entities for programs of drug and violence prevention and early intervention, including community-wide drug and violence prevention planning and organizing activities; (3) States for development, training, technical assistance, and coordination activities; and (4) public and private entities to provide technical assistance; conduct training, demonstrations, and evaluation; and to provide supplementary services and community-wide drug and violence prevention planning and organizing activities for the prevention of drug use and violence among students and youth.