As used in this subchapter—

(1) the term “elementary school” has the meaning provided by section 7801 of title 20;

(2) the term “local educational agency” has the meaning provided by section 7801 of title 20;

(3) the term “secondary school” has the meaning provided by section 7801 of title 20;

(4) the term “Secretary” means the Secretary of Energy.