A local school district shall be eligible for additional state aid, subject to appropriations, for a program of parent education pursuant to sections 178.691 to 178.699 which is established in one or more high schools of the district to serve pregnant teens and teen parents enrolled as pupils in the district, and for a program of parent education which is designed to assist at-risk families who exhibit the characteristics which produce at-risk children. The term “at-risk” is used to describe those families who exhibit the characteristics which may produce children likely to drop out of school, which characteristics may include, but need not be limited to, single parent households, chemical dependencies, unemployment, low educational attainment of the parent or parents, numerous family relocations, referral to mental health or social service agencies, and involvement with the corrections system of this state; and to describe those children who exhibit the characteristics of potential school dropouts, which characteristics may include, but need not be limited to, high absentee rate, high truancy rate, low academic achievement, referrals to mental health or social services agencies, recurring discipline problems, and involvement with the juvenile justice system of this state.