Complex sentence: It was re-established after World War II as an affiliate of the Gakushūin School Corporation, the privatized successor to the original Gakushūin University or "Peers School" was set up during the Meiji era to educate the children of the Japanese nobility.
Split into simpler sentences: It was re-established after World War II as an affiliate of the Gakushūin School Corporation. The privatized successor to the original Gakushūin University or "Peers School" was established during the Meiji era to educate the children of the Japanese nobility.