This National Council for Education Statistics report (pdf) has extensive statistics on technology implementation in public schools. The abstract follows:

This report presents data on Internet access in U.S. public schools from 1994 to 2002 by school characteristics. It provides trend analysis on the progress of public schools and classrooms in connecting to the Internet and on the ratio of students to instructional computers with Internet access. For the year 2002, this report also presents data on the types of Internet connections used; student access to the Internet outside of regular school hours; laptop computer loans; hand-held computers for students and teachers; and school Web sites. It also contains information on computer hardware, software, and Internet support and Web site support at the school; teacher professional development on how to integrate the use of the Internet into the curriculum; and technologies and procedures to prevent student access to inappropriate material on the Internet.