The Children's Hour (1961)
The Children's Hour (released as The Loudest Whisper in the United Kingdom) is a 1961 American drama film directed by William Wyler. The screenplay by John Michael Hayes is based on the 1934 play of the same title by Lillian Hellman. The film stars Audrey Hepburn, Shirley MacLaine, and James Garner.
More at Wikipedia.