What textbooks are used in class?

Beginner 1-1a & 1-1b: Sejong Korean 1A

Beginner 1-2 & 1-3 : Sejong Korean 1B

Beginner 2-1 & 2-2: Sejong Korean 2A

Intermediate 1-1a & 1-1b: Sejong Korean 2B

Conversation 2a & 2b: 세종학당 실용한국어3

Conversation 3a & 3b & 3c: 세종학당 실용한국어 4