My Mother's Other Daughter

Her cousin, Raina Langley, comes to live with the family, and Claire Shaw is forced by her mother to live in a partitioned-off space on the balcony. Her living expenses are cut, and she is scolded for wanting to attend a tutoring class, while her cousin gets everything she asks for. Her math teacher, Ms. Forrest, tutors her for free, becoming the first ray of light in her life.