Requires each public post-secondary institution of education to develop and use assessment system to determine student eligibility to enroll in lower-division collegiate coursework in English or mathematics. Sets forth requirements of assessment system.] Prohibits public institution of higher education from requiring student to enroll in course designed to prepare student for enrollment in lower-division collegiate coursework in writing or math unless student was evaluated for placement through specified assessment systems. Requires each institution to report to Higher Education Coordinating Commission list of what measurements will be used in assessment system no later than December 31, 2020. Declares emergency, effective on passage.