According to the novel, Efua was in Forcados High School because
Answer Details
According to the novel "The Secret Lives of Baba Segi's Wives," Efua was in Forcados High School because of her former principal's recommendation.
This means that her previous school principal recommended her to attend Forcados High School. It's unclear why the principal made this recommendation, but it could be because the school had a good reputation or because Efua had demonstrated academic potential or other talents.