Fredericksburg schedules adult education classes Posted in: News Several adult education classes are available at the Texas Tech University campus in Fredericksburg in November and December through the Osher Lifelong Learning Institute. Enrollment in the following classes is open to anyone over the age of 50. They can sign up for the classes online at www.olli.ttu.edu, by email at firstname.lastname@example.org ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!