Eight of 20 large states also show a dip in mainstreaming of out-of-school schoolchildren by over 10 percentage points from the base year of 2015-16. Mainstreaming here implies bringing these children back into the school system. In the first state-wise ranking on education, majority of the states also showed a slide in learning outcomes in languages and mathematics as the levels go up from class III to class VIII.

from Times of India https://timesofindia.indiatimes.com/india/enrolment-at-elementary-level-in-majority-of-states/uts-declining-shows-niti-aayogs-school-education-index/articleshow/71383209.cms