high-need school
(A) In general The term “high-need school” means a school that, based on the most recent data available, meets one or both of the following: (i) The school is in the highest quartile of schools in a ranking of all schools served by a local educational agency, ranked in descending order by percentage of students from low-income families enrolled in such schools, as determined by the local educational agency based on one of the following measures of poverty: (I) The percentage of students aged 5 through 17 in poverty counted in the most recent census data approved by the Secretary. (II) The percentage of students eligible for a free or reduced price school lunch under the Richard B. Russell National School Lunch Act [ 42 U.S.C. 1751 et seq.]. (III) The percentage of students in families receiving assistance under the State program funded under part A of title IV of the Social Security Act [ 42 U.S.C. 601 et seq.]. (IV) The percentage of students eligible to receive medical assistance under the Medicaid program. (V) A composite of two or more of the measures described in subclauses (I) through (IV). (ii) In the case of— (I) an elementary school, the school serves students not less than 60 percent of whom are eligible for a free or reduced price school lunch under the Richard B. Russell National School Lunch Act; or (II) any other school that is not an elementary school, the other school serves students not less than 45 percent of whom are eligible for a free or reduced price school lunch under the Richard B. Russell National School Lunch Act.