DELTA Testing Services received National College Testing Association (NCTA) Test Center Certification in March 2015 and re-certified in September 2021. An integral part of the NCTA’s mission is to promote professionalism and quality in the administration of testing services and programs. National certification helps test centers to improve testing processes and service to examinees. Certified test centers demonstrate their commitment to the NCTA Professional Standards and Guidelines and to achieving test center excellence.