By Andrea Simakis
The Plain Dealer
If you think you’ve seen everything you need to know about the crisis in urban education after watching “Waiting for Superman,” think again. Director Laura Paglin spent three years inside Entrepreneurship Preparatory School, a charter school on Cleveland’s East Side that boasts test scores that are among the highest in the state. Smartly, Paglin focuses her lens on one student, seventh-grader Tyree Stewart, a charmer who arrives at E Prep barely able to read but with dreams of becoming a “billionaire scientist”...