Complex sentence: He attended the all-boys (11--16) comprehensive William Gee School (now part of Endeavour High School) and is a graduate of York University and studied at Leeds University as a law post-graduate.
Split into simpler sentences: He attended the all-boys (11--16) comprehensive William Gee School (now part of Endeavour High School). Percy is a graduate of York University and studied at Leeds University as a law post-graduate.