You will probably have a hard time finding people who have attended these schools, especially the one in Wyoming. The reason being that there are just so many schools in the US.
Having said that, I havenīt been to either, but I have been to Wyoming (I am from Colorado); we used to drive up to Wyoming to buy fireworks. Cheyenne is a nice town but it is only 90,000 people. The whole state of Wyoming has 500,000 people. It is the real west and you will see cowboys. The living costs will definitely be very affordable and you will get a lot of high altitude experience. It is a nice place but have that in mind especially if you are used to coming from a big crowded city. It will be a big change.
When going anywhere in the US, you most likely need to take into account the cost of a car. Lots of guys buy an inexpensive car and sell it when the leave, so they donīt lose too much in costs (of course there are expenses such as insurance, registration, maintenance so get a reliable one, and fuel that you wonīt ever get back).