Final answer:
The mothers attended Morgan College, Howard University, and Fisk University respectively, and came from varied backgrounds that influenced their educational journeys.
Step-by-step explanation:
The mothers in the provided excerpts attended various colleges and were from different backgrounds. Huston enrolled in classes at Morgan College in Maryland and furthered her education at Howard University before transferring to Barnard College at Columbia University. Larsen, on the other hand, left Chicago during her teens to enroll in the high school associated with Fisk University and then worked as head nurse at Tuskeegee Institute's School of Nursing. Although not mentioned directly in the excerpts, we can infer that the mothers' backgrounds were diverse, coming from various locations and living experiences that shaped their educational paths.