As access to computer-based technology in schools and classrooms increases, greater emphasis has been placed on preparing teachers to use technology for instructional purposes. Survey data collected from 2,894 teachers in 22 Massachusetts districts were analyzed to examine the extent to which technology is used in and out of the classroom for instructional purposes. In addition to defining six specific categories of instructional use of technology, this study provides evidence that teachers generally use technology more for preparation and communication than for delivering instruction or assigning learning activities that require the use of technology. Important differences, however, were found among teachers who were new to the field compared with their more experienced colleagues. Although new teachers reported higher levels of comfort with technology and use it more for preparation, more experienced teachers report using technology more often in the classroom when delivering instruction or having students engage in learning activities.