The four crossword solutions for the term EDUCATIONAL ORG. are AFT (3 letters), INST (4 letters), NEA (3 letters), and PTA (3 letters). AFT stands for the American Federation of Teachers, a labor union that represents teachers, paraprofessionals, and school-related personnel. INST stands for the Institute of Education Sciences, a research arm of the U.S. Department of Education. NEA stands for the National Education Association, the largest labor union in the United States representing public education professionals. Finally, PTA stands for the Parent Teacher Association, a national organization that works to support and speak on behalf of children and youth in schools.