Specialized programmed learning is available in some districts. Japanese language is available in this format. So are innovative programs for basic skills. Expenses vary by the program and the source. Some of the down-linked programs are rather interactive with respect to curriculum.
Expensive ones have video links with remote online teachers.
There is a considerable range here, and the number of availabilities is increasing constantly. Several districts maintain computer labs featuring a variety of learning activities. These professional programs are both productivity software and teaching tools, both content and course. A student needs these to integrally advance their interests. Materials are available for take-home by students.