Abigel (1978)

Original title: Abigél

The story takes place during World War II. Vitay Georgina is enrolled by her father, General Vitay, in the completely closed, residential Calvinist Matula Girls' Institute in the town of Árkod, on the outskirts of the country. He does not tell Gina why, as her new classmates would accept her, but after she fights with them over a silly game and betrays them, she is ostracised.