This study aims to highlight that the syllabus design and curriculum development of ‘Sejong Korean 1~8’, the textbook developed for King Sejong Institute from 2011-13. ‘Sejong Korean 1~8’ corresponds to the "Common Framework of Reference for Korean Language Education and Evaluation Level 1 to 4". The contents for ‘Sejong Korean 1~8’ are selected from teaching material within the framework and is essential to the education of King Sejong Institute. Then, the items are readjusted to reflect the needs of the teachers at the institute. The syllabus design of ‘Sejong Korean 1~8’ takes an eclectic approach, which fundamentally aims to promote communicative competence as well as linguistic components, such as grammar and vocabulary. The following are the components of lesson for ‘Sejong Korean 1~8’: An introductory picture and question, teaching goal, extensions of vocabulary, dialogue 1 and 2, vocabulary, grammar, practice 1 and 2, listening and speaking, reading and writing, new vocabulary, and self evaluation. As ‘Sejong Korean 5~8’ focuses on the increasing importance of vocabulary, an extension of vocabulary is included as a new component of the lessons.