Even if your room is not wired you may be able to use a wireless modem. A list of most wired colleges. These now take many forms. Some are entirely web based, using chat, e-mail, and pages. Because they usually store records of progress, they are not useful on public access computers.
Some standard books have CD-ROM or floppy disk supplements.
For an example see the Barron's Profiles of American Colleges program on the adult CD-ROM station.