 WASHINGTON , Aug. 12, 2021 PRNewswire -- Graduate School USA GSUSA has signed an agreement to be acquired by American Public Education, Inc. NASDAQ: APEI, a leading education services provider that offers respected, innovative, and affordable educational programs and services through its wholly owned subsidiaries: American Public University System APUS, which encompasses American Public University APU and American Military University AMU; and Hondros College of Nursing HCN. Originally established in 1991 as AMU to serve the education needs of a highly mobile military, APEI offers respected, innovative, and affordable academic programs and services to students, universities, and partner organizations through APUS and HCN. 