http://www.pendrivelinux.com/put-lucid-puppy-on-usb-flash-drive-from-windows/#more-4392
Download, install linux software on a usb flash drive to use during class.
I will follow the above tutorial but Carson will argue the version of linux and so you can use whatever version-distribution you prefer. It must have linux command line and GUI.
The flash drive must be formatted to FAT32 and can have nothing else on it.