There’s now an online option for Tennessee K-12 students who want an alternative to public schools.Tennessee Virtual Academy allows students to take all their classes on the Internet as they work toward a regular high school diploma. The program, offered in 28 states, is in its first year in Tennessee.Two local students are taking advantage of the new opportunity. Seventh-grader River Notestine and sixth-grader Alexander Stills are both enrolled in Tennessee Virtual Academy.