Mar 31, · Tennessee Adult Education. Exciting news! Learn Online. Graduate Online. Earn your high school equivalency diploma without leaving home. No matter where you live in Tennessee, you can take online adult education classes. Call to connect with a program in your area or connect online: contraceptive.xyz: Oak Street, Clarksville, , TN. Registration is available at the Adult Education Center, Oak Street, Clarksville. Please contact Tonya Perry, Student Coordinator at , or Mrs. Bethany Valentin, Student Success Coach at for additional information regarding the Adult Education registration. Additional Information.