Osher Lifelong Learning Institute (OLLI) is a unique educational program at Texas Tech University designed for adults age 50+ who are still working, semi-retired, or fully retired. It is administered by Texas Tech University Office of the Provost. The website is https://www.depts.ttu.edu/olli.

OLLI Class Registration is the web application used to sign up for courses. The webapp is located at https://www.depts.ttu.edu/olli/register.