in one or more public, or nonprofit private, elementary schools or secondary schools or locations operated by an educational service agency that have been determined by the Secretary (pursuant to regulations of the Secretary and after consultation with the State educational agency of the State in which the educational service agency operates) to be a school or location at which the number of children taught who meet a measure of poverty under section 1113(a)(5) of the Elementary and Secondary Education Act of 1965 [
20 U.S.C. 6313(a)(5)], exceeds 30 percent of the total number of children taught at such school or location;