(a) Authority.—Subject to subsection (b), amounts appropriated to the Department of Defense for the operation of overseas defense dependents' schools may be used by the Secretary of Defense to enable an overseas meal program to provide students enrolled in such a school with meals at a price equal to the average price paid by students for equivalent meals under a comparable public school meal program in the United States.

(b) Limitation.—The authority provided by subsection (a) may be used only if the Secretary of Defense determines that Federal payments and commodities provided under section 20 of the Richard B. Russell National School Lunch Act (42 U.S.C. 1769b) and section 20 of the Child Nutrition Act of 1966 (42 U.S.C. 1789) to support an overseas meal program are insufficient to provide meals under that program at a price for students equal to the average price paid by students for equivalent meals under a comparable public school meal program in the United States.

(c) Determining Average Price.—In determining the average price paid by students in the United States for meals under a school meal program, the Secretary of Defense shall exclude free and reduced price meals provided pursuant to income guidelines.

(d) Overseas Meal Program Defined.—In this section, the term "overseas meal program" means a program administered by the Secretary of Defense to provide breakfasts or lunches to students attending overseas defense dependents' schools.

(e) Overseas Defense Dependents' School Defined.—In this section, the term "overseas defense dependents' school" means the following:

(1) A school established as part of the defense dependents' education system provided for under the Defense Dependents' Education Act of 1978 (20 U.S.C. 921 et seq.).

(2) An elementary or secondary school established pursuant to section 2164 of this title that is located in a territory, commonwealth, or possession of the United States.