Once at home and on the internet:

Install the Cicso AnyConnect app for Chrome found here:
Cisco AnyConnect

Launch the app.
In the "Connections" tab, click "New Connection".
Name the Connection "KPS".
Server address is "vpn.kalamazoopublicschools.com".

Click settings (the gear in the bottom right corner of the in the screen by the clock).  In the network section select "VPN, then "Cisco AnyConnect", then click the key under "Cisco AnyConnect".
You will get an error that AnyConnect cannot verify the Identity of KPS.  Accept anyway.

Enter your network credentials without the ".@kalamazoopublicschools.net".
Make sure to disconnect when you are done accessing KPS resources.