A. Middle States Association of Colleges and Schools
Explanation:
The Middle States Association of Colleges and Schools (Middle States Association or MSA) is a non-profit association that performs regional accreditation of schools both public and private in the Mid-Atlantic region of the United States and for some institutions with an American origin. The MSA has three commissions:
Middle States Commission on Higher Education (MSCHE)
Middle States Commission on Elementary Schools (MSCES)
Middle States Commission on Secondary Schools (MSCSS)