Just after noon on a Thursday, eight students are seated at desks spaced out around a large room at the Phillis Wheatley Community Library in Corn Hill. They range in age from 5 to 12. Most of them are working on their laptops as several teaching assistants walk around to see if anyone needs help. "Before this whole program started, I was really doing terrible," said Xavier Johnson, "but since I started coming here, my grades have been getting back up." The Rochester Prep sixth-grader said his