Improving Achievement and Closing Gaps in Math: Lessons From Schools on the Performance Frontier Share this article: Oct 17, 2014 by Kati Haycock Kati Haycock Georgia Council of Teachers of Mathematics Eatonton, Georgia Download Published: October 8, 2014 Related Content: Access Closing the Gaps Across the Achievement Spectrum High Performing Schools Affordability and Financial Aid Completion and Success College- and Career-Ready Standards and Assessments Accountability