During the end of the Great Depression in 1939, many rural schools held classes outside due to the oppressive heat. Here is a day in the life of the enrollment of the Lincoln "Bench School" outside of Ontario, Oregon. They were more fortunate than most: the county had a bus that went to pick up most of the kids from the surrounding farms.
(Images: Library of Congress, via Old Photo Archive)
(Images: Library of Congress, via Old Photo Archive)