The Under-Pup (1939) aka Underpup DVD-R

Starring Gloria Jean, Robert Cummings, Nan Grey, C. Aubrey Smith,
Beulah Bondi, Virginia Weidler, Margaret Lindsay
Directed by Richard Wallace

Print: black/white
Runtime: 88 min.
Genre: musical
Print Quality: B

A young city girl from a poor family is invited to spend the summer at a
camp for girls from wealthy families. At first made fun of and ridiculed
because of her background, she determines to show the snooty rich girls
she's just as good as they are.