Editor’s note: This story led off this week’s Future of Learning newsletter, which is delivered free to subscribers’ inboxes every Wednesday with trends and top stories about education innovation. Subscribe today! The high school graduation rate in Utah’s Juab School District was 78 percent in 2009. For the last three years in a row, it has been 97 percent, and the superintendent attributes the whole of that increase to the district’s efforts to personalize learning. The district has followed a…