종이접기 지도사범, 영재미술지도사, 아동미술공예교육전문가, 책놀이지도사, 한자지도사, 통합논술지도사, 자기주도학습지도사, 글쓰기독서지도사 등 정애 씨가 취득한 자격증은 20종이 넘는다.
Jung-ae has more than 20 certificates, including origami guide, gifted arts instructor, children's arts and crafts education specialist, book play instructor, Chinese character instructor, integrated essay instructor, self-directed learning instructor, and writing and reading instructor.