Lifelong Learners GTX provides learning opportunities for adults living in the Williamson County area. Our winter term from late January to early March includes up to 23 different courses and lectures. The first week in June we offer 10 lectures on a range of topics. The fall term again runs 6 weeks from late September to early November and includes up to 23 courses. In between, we offer special presentations and local trips as we see demand for them.