Russell:
Regarding North KC. Everyday I listen to the traffic report and almost every week they have a big pile up on Paseo Parkway, which is the very same exit you need to take to get to UHS (and keep in mind the ice/sleet/snow season hasn't even started yet). Plus you have to deal with the bridge. Any wrecks on the bridge keeps things backed up forever. Unlike Calif. there aren't any alternate freeway systems. The unfortunate part about living north is since you are separted by a river, you can't exactly take back roads to get to school. So if there is a pile-up (and with the ice season every year you can probably count on it) you will have to deal with this aspect. On the other hand, if you choose to live south, there are alternate routes if 35 north has a pile up. I was looking at moving north, but changed my mind because it isn't worth being late for a morning exam on account of traffic.
And speaking of which, KC traffic is nothing like SF, but I am sure you already knew that, it's just that by living north you will have to deal with bridge traffic, ice, and no alternate routes close by.
Also I hear some students live north of interstate 435, I think that is where the Bennington Ridge apartments are. Perhaps this commute is okay. I just wouldn't choose to live off I-35 north of the river.