As Internet technology encroached on the public school classroom about a decade ago, Kim Ross, superintendent of the Houston School District in Houston, Minnesota, saw an opportunity. At first, he and his administrative team simply wanted to offer students in the district of 1,300 access to more classes via the web than what a district that size…

An advanced placement calculus program is described that incorporates IBM personal computers, conference telephone connections, modems that transmit computer signals over the phone lines, OPTEL graphics that allow the users to "write" on their computer screens, and a sophisticated package of calculus software used for homework…