What is the fastest way to obtain an application for admission to a college university or other post-high school institution?

The fastest way to obtain an application for admission to a college, university, or other post high school institution is to go to their website.

You can also check out the Common Application. Not all schools take it, but a lot of good ones like Amherst College, Harvard University, and Princeton University do. It will also save you a ton of money on application fees.