Hurry and register for the 3rd annual Concussion Baseline Day, set for Feb. 25, from 9 a.m. to 1 p.m. at several high schools, with additional locations and times around the county. At the free event, participants will learn about concussions and baselines, complete the baseline testing, and finish with an informative Q&A session. Appointments for testing are still available. Learn more about the event, presented by GCPS and Gwinnett Medical Center's Concussion Institute.