The many hot spring locations that were discovered in the early 1900s had bath houses on site. Men and women would never walk outside of town in their bathing clothes, and would never change in public.
In the early 1900s, school teachers were not allowed to dress in bright colors and were required to wear at least two petticoats (Elizabeth is wearing one thin, tight shirt).
In the early 1900s, school teachers were not allowed to marry during their teaching term.
In the early 1900s, school teachers were required to wear their hair up.