The Secretary of State may make grants to postsecondary educational institutions or students for the purpose of increasing the level of knowledge and awareness of and interest in employment with the Foreign Service, consistent with section 3905 of this title. To the extent possible, the Secretary shall give special emphasis to promoting such knowledge and awareness of, and interest in employment with, the Foreign Service among minority students. Any grants awarded shall be made pursuant to regulations to be established by the Secretary of State, which shall provide for a limit on the size of any specific grant and, regarding any grants to individuals, shall ensure that no grant recipient receives an amount of grants from one or more Federal programs which in the aggregate would exceed the cost of his or her education, and shall require satisfactory educational progress by grantees as a condition of eligibility for continued receipt of grant funds.