JjangJi Science

I'm JjangJi.
Chemistry teacher.

JjangJi teaching chemistry beside a chemistry whiteboard

AP, IB, and A Level Chemistry for international-school students.

10+ yearsTeaching
AP · IB · A LevelCourses
OriginalNotes & questions

Student destinations

University of OxfordHarvard UniversityUniversity of CambridgeImperial College LondonSeoul National UniversityKAISTThe University of Hong KongNational University of Singapore

Selected student destinations.