>by 1971 it was probably present in a significant portion of us high schools. That would surprise me. In 1979, right in Silicon Valley, the biggest high schoo

>by 1971 it was probably present in a significant portion of us high schools. That would surprise me. In 1979, right in Silicon Valley, the biggest high school district (East Side Union) had one computer in the entire district, housed at the largest school (Independence). It was a PDP 11/04 (IIRC). Any schools that wanted to offer a BASIC programming class had to rely on Mark Sense cards submitted through daily intra-district courier runs.