Jane attended Mar-Ken School in Hollywood c. 1938-40.
From the Mar-Ken 1940 Yearbook, as Freshman:
JANE THOMAS – (Born in St. Paul, Minnesota)
Oh! Oh! double exposure — twins. This twin likes to ice skate, and I hear that she is really quite proficient in this field. She enjoys a good movie, mashed potatoes and the study of Latin and Science. She doesn’t like Arithmetic or stuck-up people. She likes to listen to “Oh Johnny Oh”, read “Little Women”, and wear her favorite color, blue. Her ambition is to become a good ice skater.