The final phase of the updated Pennsylvania public education professionals evaluation system was implemented during the 2012-13 school year, with 264 local education agencies, consisting of 1,387 school buildings, 1,892 principals/supervisors and more than 31,600 teachers included. In advocating for the new evaluation system, Secretary of Education Ronald Tomalis reported that research demonstrated that the performance of an educator has a direct impact on the future success of students. The new evaluation system will become effective for principals in the 2014-15 school year. In the United States of America, 22 other states use student achievement to evaluate educators.