All teachers have to have their degree and background check authenticated with an Apostille. https://rushpa.com/%EC%8B%A4%EC%9E%A5%EC%95%8C%EB%B0%94-%EC%83%88%EB%A1%9C%EC%9A%B4-%EC%97%AC%EC%84%B1-%EA%B5%AC%EC%9D%B8%EA%B5%AC%EC%A7%81%EC%9D%98-%EA%B2%BD%ED%96%A5/
