The Performance Grading Index (PGI) is basically a kind of tool to project the status of school education in States across India and UTs including to show the their performance and critical areas for improvement.
The scale ranges from 0-10, where a 0 reflects failure in the examination, and level 10 reflects for academic excellence.
The PGI grading system has 10 levels.
Level 1 deserves top level performance with score between 951 and 1,000 points.
Level II deserves Grade 1++ with score between 901 and 950.
Level III deserves Grade 1+ with score between 851 and 900.
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