CEFR Aligned English Learning for Schools and Colleges
CEFR (Common European Framework of Reference) is an internationally accepted standard that defines a learner's language skill in a straightforward, easy to understand manner. It divides English learning into six levels, from beginner to advanced:
https://englishlab.co.in/blog/cefr-aligned-english-learning-for-schools-and-colleges
https://www.englishlab.co.in/cefr-reference