AKRON, OH—Expressing pride that the curriculum he helped put in place was already bearing fruit in critical areas of study, LeBron James revealed Wednesday that students at his I Promise elementary school have seen huge gains in English, math, and dunk testing. “I’m truly humbled to be making a difference in my community, where so many of these kids tested way below the national average in tomahawk jams, and now they’re on pace to rank in the 90th percentile for both chemistry and alley-oops,” said James, who credited the school’