It depends - you just list it as is -
So, for instance, on your common app, it could read like this:
bio parent 1 : some college/didn’t graduate, bio parent 2: no college
step parent: graduated/4year college.
There should be a pull down menu (depending on application.. they changed the appearance for phones&tablets).
Each college then makes the determination whether that counts as FGLI or not.
(Imho, Ivies, NESCACs, etc, most likely would.)
I understand Utk Honors is the “one to beat” but you do want to have choices in the Spring.
Also, there’s more to life than a LSAT score 
Simply the added benefits of attending college in another State could be beneficial.
What about Emory, in Atlanta? Or the Lugar program at Denison? Or the shared governance project at Haverford?
In addition, if you end up choosing UTK, be careful NOT to graduate “early”; take as many classes as you can, especially those that make you read, write, think, and discuss things. If your financial aid covers study abroad, do study abroad. If you can take art appreciation and/or music appreciation (especially if you do so “in situ”), do so since those are statistically the ones adults are most glad they took in college (makes life more beautiful, makes travelling more meaningful, this type of things). Take classes in anything that sounds interesting and occasionally even in things that don’t but whose professor is well-known for being fantastic.
My guess is that you wouldn’t have to take Physics, though you could take “How things work”, the Physics course for non STEM majors. But you would meet the requirements with Introduction to One Health: from Antimicrobial Resistance to Zika with a Side of Thousand Cankers or Honors: Introduction to Biological Anthropology or Honors: Age of Dinosaurs…