1965 John Hubley animation according to ending credit. He created Mr. Magoo, and part of many cartoons over the decades.  He was already famous, at his peak with many awards, when this film was produced.

Bell System Film

Jerry Fairbanks Productions

1-12" reel of 16mm film

No intro titles.  Starts with kids looking out window, complaining about rain.  Ending credits show actor names, producer, Hubley credit, Bell logo

These are original school-owned educational films, and may have one or more splices made by school personnel.

Please take a look at my other vintage, collectible, unusual items for sale.  My items come from my lifetime collection of audio recordings, ephemera, and random things I kept.