 A Master of Arts in Education is perhaps the most flexible degree in the field, and often allows an educator to specialize in one of several concentrations.In addition to taking core classes in educational philosophy, child psychology, educational ethics, and education research methods, teachers pursuing this advanced education degree generally specialize in one of several fields.Educational professionals who are looking to remain in the classroom often opt to pursue an online Master of Arts in Education with a concentration in either elementary or secondary education.