A guide to taking undergraduate courses at UNT through OLLI. Options include auditing, using a senior citizen tuition exemption or taking online mini courses.audit, tuition exemption, adult learner, free, senior discount, olli, unthttps://omni-templates.unt.edu/_resources/images/welcome-center-campus.jpghttps://omni-templates.unt.edu/_resources/images/welcome-center-campus.jpgGiving BannerResources audit, tuition exemption, adult learner, free, senior discount, olli, unt