Since its establishment, Ledel foreign language has experienced a series of evolution and changes in recent 10 years, and now it has formed three distinctive teaching systems. They are internal textbook teaching system, new concept teaching system and SBS teaching system. Among them, the teaching system of internal textbooks is the most systematic, complete and influential, and the other two teaching systems are developed from this teaching system. Key Ability of Stage Textbooks Initial Internal Reference Textbooks (Initial) Cultivate Interest Primary School Sixth Grade Intermediate Internal Reference Textbooks (Mid-term) Improve the New Concept of Exam-oriented Middle School Senior Two (One, Two, Three)

New target (7, 8, 9) All-round talents who graduated from junior high school