jabiThe Sejong Institute course, book by book
If you are studying at a King Sejong Institute, or working through the books on your own, this is the whole syllabus in order. Each book page lists every unit, its theme and the grammar it introduces — so you can see what is coming, or find the explanation for the unit you are stuck on.
The books are published free as e-books by the Sejong Institute Foundation and can be read at Nuri-Sejong. This site is not affiliated with them; it explains the same grammar in English, in its own words.
Sejong Korean: Introduction 입문
The writing system itself — vowels, consonants, batchim, and the sound changes that trip everyone up.
Writing system — no grammar points
한국어와 한글 · 기본 모음 · 기본 자음 …
Sejong Korean 1 초급 1
Your first real sentences — the copula, particles, the polite ending, and past tense.
42 of 42 grammar points explained
저는 한국 사람이에요 · 회사원이 아니에요 · 저도 드라마를 좋아합니다 …
Sejong Korean 2 초급 2
Connecting ideas — modifiers, intention, permission, and the endings that soften what you say.
44 of 44 grammar points explained
비가 너무 많이 오네요 · 동대문에 가 보세요 · 엄마 친구는 어떻게 생겼어요? …
Sejong Korean 3A & 3B 중급 3
Where Korean gets expressive — reported speech, 반말 endings, and nuance between near-identical connectors.
5 of 67 grammar points explained
약속 시간에 늦으면 안 돼요 · 어제 친구를 우연히 기차역에서 만났어요 · 열심히 노력해야 목표를 이룰 수 있어요 …
Sejong Korean 4A & 4B 중급 4
The written register — formal connectors, compressed constructions, and the grammar of news and reports.
0 of 63 grammar points explained
한국은 여름에 비가 많이 내려요 · 편의 시설이 잘 갖추어져 있어서 살기 편할 것 같아 · 월세가 비싸지 않은 빌라나 오피스텔을 찾고 있어요 …
Looking for a single grammar point rather than a unit? The grammar reference lists all 216 of them together, grouped by level.