Complex sentence: Rothenberg School is a historic school building in Cincinnati, Ohio designed by prominent local architect Frederick W. Garber's firm, which was also responsible for Withrow School, Walnut Hills High School, Western Hills High School and Westwood School (now Westwood elementary).
Split into simpler sentences: Rothenberg School is a historic school building in Cincinnati, Ohio. The building was designed by prominent local architect Frederick W. Garber's firm, also responsible for Withrow School, Walnut Hills High School, Western Hills High School and Westwood School (now Westwood elementary).