Needs assessment (language teaching) ; Evaluation criterion (language teaching) ; Second language acquisition (language teaching) ; Zweitspracherwerb (Unterricht) ; Foreign language teaching ; Lehrplan; Instructional advice ; Sprachenpolitik; Language management; Language politics ; Dreisprachige Erziehung; Trilingual education; Multilingual education ; Hongkong (engl. Sprache in) ; Hong Kong (English language in) ; English in Hong Kong