Eastern Nazarene College is accredited by the New England Association of Schools and Colleges. Such accreditation indicates that the institution meets or exceeds criteria for the assessment of institutional quality as determined by periodic review.

In addition, Eastern Nazarene College has gained professional and program accreditation from the following agencies:

• Department of Education of the Commonwealth of Massachusetts
• Interstate Certification Compact for all teacher education programs
• National Association of State Directors of Teacher Education and Certification
• Council on Social Work Education
• Massachusetts Board of Higher Education

Eastern Nazarene College is also a member of the following organizations:

• American Association for Adult and Continuing Education
• American Association of Colleges for Teacher Education
• American Association of Collegiate Registrars and Admissions Officers
• American Association of Higher Education
• American Association of Presidents of Independent Colleges and Universities
• American Council on Education
• Association of Business Administrators of Independent Christian Colleges
• Association for Christian Adult Higher Education
• Association of Governing Boards of Universities and Colleges
• Boston Education Collaborative
• Council for Christian Colleges and Universities
• Christian Higher Education Commission of the National Association of Evangelicals
• The College Board
• Commission on Higher Education of the Christian Holiness Association
• Consortium for the Advancement of Adult Higher Education
• Council for the Advancement and Support of Education
• Council of Independent Colleges
• Massachusetts Association for Intercollegiate Athletics for Women
• Massachusetts Association of Colleges for Teacher Education
• National Association of Advisers for the Health Professions
• National Association of Christian College Admissions Personnel
• National Association of College Admissions Counselors
• National Association of College and University Business Officers
• National Association of College Broadcasters
• National Association for Developmental Education
• National Association of Independent Colleges and Universities
• National Association of International Educators
• National Association of Social Workers
• National Association of Student Personnel Administrators
• National Collegiate Athletic Association (Division III)
• National Council of Teachers of English
• New England Resource Center for Higher Education