This census of a week's educational UHF-VHF broadcasting is accompanied by a survey of ITFS (2500 MHz) and closed-circuit television programing. Compared to 1966, there was proportionately more math, less foreign language on UHF-VHF. The trend toward less local production and the trend toward more weekend broadcasting continued; in 1962 78% of instructional television was locally produced, but only 35% was in 1968. School-owned stations produced more than 40% of their programing locally, while state-owned stations received most of theirs from state networks. Both college and community-owned stations depended more on NET (National Educational Television) than on any other source. The 8,534 hours broadcast by the 152 UHF-VHF stations averaged out to 56.1 hours per station per week. Adding in the estimated total closed-circuit hours (13,800) and the estimated total ITFS hours (1,080) produced a grand total of about 23,000 ETV hours in the U.S. that week. (Business and industrial training use were not included in the closed-circuit estimate.) Detailed tables and graphs present the data collected, and appendices discuss aspects of programing and the methodology of the survey. One appendix, published and bound separately, presents the data from the individual stations. (RP)