Iowa Heritage: Iowa Country Schools

PBS documentary
–Year: 1979
–Year in film: 1970s ?
–Country: USA
–Who in bibs: boys ~9-12 ?
–Available on DVD: yes ?
–I own: no
–Bib occurrence: low+ ?
–Rating: 3/10 ?
–Rating: ***
–Comment: At least 2 or 3 boys in dark blue bibs. I found a brief clip long time ago. This trailer is available on the IPTV website.
Repost. More post details missing.
I have other posts about PBS and similar documentaries. (blog search). Also one-room schoolhouses and educational films (see lists).

For other documentaries like PBS (American Experience series and others) which might contain other sources try a blog search with PBS.