; (2) an assessment of anticipated costs for the public service academy in each of the first 4 years of operation, including the potential sources of non-Federal funds to be used for the public service academy; and (3) information regarding the enrollment of needy students at the institution of higher education. (d) Selection by competitive process (1) In general The Secretary shall issue grants under this section pursuant to a competitive process and shall establish rules for evaluating applicants and awarding grants under this section. (2) Reservation of funds for certain institutions Of the funds made available for grants under this section, the Secretary shall reserve not less than 50 percent for grants to institutions of higher education that have enrollments of needy students. (3) Equitable geographic distribution of grants To the extent practicable, the Secretary shall ensure an equitable geographic distribution of grants awarded under this section. (e) Duration and amount of federal grants (1) Duration A grant under this section shall be awarded for a period of not more than 4 years. (2) Certain costs excluded A grant under this section shall not include funds for the cost of any curricular, extracurricular, experiential learning, and internship programs maintained or sponsored by the institution of higher education at the time an application for a grant under this section is made. (3) Amount of grant The amount of the grant may not exceed— (A) 75 percent of the public service academy cost in the first year; and (B) 50 percent of the public service academy cost in each of the second, third, and fourth years. (f) Permissible uses An institution of higher education receiving a grant under this section may use funds from the grant— (1) to develop, expand, and modify curricula to prepare students for careers in public service, including experiential learning components of curricula