; and (2) submit to the Secretary a report on such evaluation. (f) Limitation on use of grant funds An eligible entity that receives a grant under the Program may not use more than 20 percent of the grant funds to purchase computer equipment and network infrastructure. (g) Grant duration and amount (1) Duration Each grant under this section shall be made for a period of 5 years. (2) Amount The Secretary shall determine the maximum amount of each grant under this section. (h) Federal share The Federal share of a grant under the Program shall not exceed 90 percent of the costs of carrying out the activities described in subsection (c). (i) Supplement, not supplant An eligible entity shall use a grant received under the Program only to supplement funds that would, in the absence of such grant, be made available from other Federal, State, or local sources for activities supported by the grant, not to supplant such funds. (j) Eligible entity defined The term eligible entity means— (1) a State educational agency; (2) an institution of higher education; and (3) a local educational agency. (k) Authorization of appropriations There is authorized to be appropriated to carry out this section $8,000,000,000 for fiscal year 2021. 8. Smart Students Everywhere Grants (a) Eligible participants (1) In general Section 401A of the Higher Education Act of 1965 ( 20 U.S.C. 1070a–1 ) is amended— (A) in subsection (a), by inserting or graduate before education ; (B) in subsection (b)— (i) in paragraph (1), by striking and at the end; (ii) in paragraph (2), by striking the period at the end and inserting ; and ; and (iii) by adding at the end the following: (3) for the first through fourth year in a graduate program in science, technology, engineering, or mathematics shall be known as a SMART Students Everywhere Grant .