Homework Gap Trust Fund Act This bill establishes the Homework Gap Trust Fund, administered by the Federal Communications Commission (FCC), to provide funding for measures to close the digital divide and promote digital equality with respect to school-aged children. A portion of the proceeds from auctions of specified broadband spectrum shall be deposited into this trust fund, which the FCC shall use to fund measures that seek to ensure all U.S. students have access to broadband service at home.