You can transition from LPN to RN, through most all Tennessee colleges offering associate degree nursing(Career mobility). Here, you will find a comprehensive list of RN schools in TN, that are fully accredited:
Tennessee Department of Health: Board of Nursing
I recommend the following:
Motlow State Community College(got my associates here)
Roane State Community College
Chattanooga State Community College
Volunteer State Community College
Then if you want to go on to your bachelors(RN-BSN)
TN Technological University
University of TN
Middle TN State University
Belmont University
East TN State University
Then if you want to go on to your masters or doctorate(DsN/DnP/PhD)
Vanderbilt University School of Nursing
University of Tennessee
If you want to go on to CRNA
Middle TN School of Anaesthesia