Oooohhhh, I think I may be able to help. I have a trip booked for this Aug with my twin DDs-15 (no DH or DS

). I asked them where they'd like to stay and 1 DD said SSR while the other DD said BWV...luckily both were available when I booked so we are doing a split stay. I even went through all the resorts with them and asked if they were sure those were the places they wanted and they said they were (so they were not interested in AKV...which we just stayed at in Dec). SSR is a good pick because you can request Congress Park to be able to walk to/from Downtown Disney...and the teens seem to love that (my inlaws always book SSR for their 3 teens).
AKV is my fave resort for just the resort...it is so lovely and so much to see and do. The dining at AKV/AKL is some of the best at WDW (IMO). SSR, though, has Downtown Disney nearby for many dining options too.
If you are doing a 1BR...AKV will have an extra bathroom so each of you can have your own. I think studios are comparable at both.
Overall, I think SSR is probably the way to go for teens-college kids. My nephews, in college, love to walk over whenever they want for coffee (Ghiradhelli) and lunch (Earl of Sandwich) and hanging out later in the evening (bowling, movies, shopping).
Happy planning...it's very exciting. I cannot wait for Aug...neither can my girls (which is a nice feeling).