; and (B) a public secondary school. (5) Secretary The term Secretary means the Secretary of Energy, acting through the Assistant Secretary for Energy Efficiency and Renewable Energy. (b) Establishment Not later than 180 days after the date of enactment of this Act, the Secretary shall establish program under which the Secretary shall provide grants to eligible entities described in subsection (d)(1)— (1) to conduct healthy green retrofits at facilities of the eligible entities to convert existing public schools, BIE schools, or schools funded by BIE into healthy zero-carbon schools