Many Disney projects were deemed to have educational value (they also made animated health and safety films) and were rented or sold to schools and other institutions on 16mm as well.
What do you darn kids think we watched before there were VCR's? ;)
That '82 Fantasia print might be useful for this project...
http://originaltrilogy.com/forum/topic.cfm/Fantasia-1982-Soundmix/topic/13353/