Hollis: The National Gallery methotrexate intrathecal The district is now run under the capable stewardship of Superintendent Terry Grier, who did a short stint in San Diego after eight years running Guilford County's Schools in Greensboro, N.C., before heading to Texas. Unlike some of his peers who get used to one way of doing things, Grier decided to adopt many of the strategies used in some of the most successful urban public charter schools to raise the bar on his school system. These include: hiring the best teachers and principals, more instruction time, data-driven instruction, teacher evaluation based on student performance, after school tutoring and a "no excuses" culture that permeates the entire school system.