The Under-Pup (1939); nr

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 ... 
1h 28min | Musical | 1 September 1939
Director: Richard Wallace
Stars: Gloria Jean, Robert Cummings, Nan Grey

http://www.imdb.com/title/tt0032075/
Attempted online; horrible print: audio was too low and squeaked when cast to my TV. Only 1 copy posted.

And the plot was all child-centered. I couldn't get through more than 30 minutes. Won't add this to my "musicals watched" list, nor give it a rating.

Universal, dir. Wallace; nr