1. Short title This Act may be cited as the Students Not Profits Act of 2019 . 2. Definition of institution of higher education The Higher Education Act of 1965 ( 20 U.S.C. 1001 et seq.) is amended— (1) in section 101— (A) in subsection (a), in the matter preceding paragraph (1), by striking other than title IV, ; (B) in subsection (b)— (i) in the matter preceding paragraph (1), by striking other than title IV, ; (ii) in paragraph (1), by striking and after the semicolon; (iii) in paragraph (2)(B), by striking the period at the end and inserting a semicolon; and (iv) by adding at the end the following: (3) a public, nonprofit postsecondary vocational institution; and (4) only for the purposes of part D of title IV, an institution outside the United States that is comparable to an institution of higher education, as defined in subsection (a), and that has been approved by the Secretary for the purpose of part D of title IV, consistent with the requirements of section 452(d). ; (C) in subsection (c), by striking and section 102 ; and (D) by adding at the end the following: (d) Requirements of courses of study and enrollment An institution shall be considered to meet the definition of an institution of higher education in subsection (a) or (b) only if such institution— (1) limits enrollment of students in distance education courses offered by the institution to not more than 50 percent of all students enrolled in the institution, unless the institution is a public or nonprofit technical institution or career and technical education school, as described in section 3(3)(C) of the Carl D. Perkins Career and Technical Education Act of 2006; (2) limits enrollment of students who are incarcerated to not more than 25 percent of all students enrolled in the institution; (3) limits enrollment of students who do not have a secondary school diploma or its recognized equivalent to not more than 50 percent of all students enrolled in the institution