In how many different countries is chess played and or taught in school?

Chess is played and taught in schools across many countries worldwide, with estimates suggesting that it is officially included in educational curricula in over 50 countries. Notable examples include Russia, Armenia, and several nations in Europe and Asia where chess is integrated into the school system. Additionally, numerous other countries promote chess through extracurricular programs and clubs, further expanding its reach. Overall, chess has a global presence in education, fostering critical thinking and strategic skills among students.