noun which may take the genitive case particle 'no'
beginning and intermediate; elementary to intermediate
Describes a level, course, or material that covers both beginner and intermediate stages, often used in language learning contexts.
この教科書は初中級レベルの学習者向けです。
This textbook is for learners at the beginning and intermediate level.
初中級クラスでは、基礎から応用まで学びます。
In the beginning and intermediate class, you learn from the basics to applications.
中級 means 'intermediate level' only, while 初中級 includes the beginner stage as well.
Compound of 初 (しょ, 'beginning') + 中級 (ちゅうきゅう, 'intermediate level').