; (B) evicting such students from on-campus housing; and (C) establishing excessive and unnecessary impediments to the return of such students to the institution of higher education. 3. Study (a) Requirement Not later than June 30, 2021, the Secretary shall complete a study on mental health conditions and substance use conditions including— (1) the prevalence of such conditions among students at institutions of higher education and policies to support students with respect to such conditions; (2) the policies of institutions of higher education with respect to students considering a leave of absence or return from absence due to such conditions; and (3) best practices for supporting students at institutions of higher education in making decisions regarding the management of such conditions, including the effect such practices have on graduation rates and degree completion. (b) Report The Secretary shall submit to the House Committee on Education and Labor a report on the findings of the study required by subsection (a). 4. Guidance Not later than June 30, 2021, the Secretary shall, in consultation with the Assistant Attorney General of the Civil Rights Division of the Department of Justice, issue guidance on— (1) the compliance of institutions of higher education with the Americans with Disabilities Act of 1990 ( 42 U.S.C. 12101 et seq.) with respect to students with mental health conditions; (2) the legal obligations of institutions of higher education with respect to accommodating students with mental health conditions and students with substance use conditions; and (3) policies of institutions of higher education which may have a disparate impact on students with mental health conditions and students with substance use conditions. 5. Definitions (a) Institution of Higher Education The term institution of higher education has the meaning given that term in section 101(a) of the Higher Education Act of 1965 ( 20 U.S.C. 1001(a) ). (b) Secretary The term Secretary means the Secretary of Education.