Lexile-to-Grade Correspondence
Lower number in range is the 25th percentile of readers or texts- higher number is the 75th percentile of readers or texts. (This is not a prescribed guide, used only for descriptive purposes).
Typical Reader Measures, by Grade Typical Text Measures, by Grade
| Grade | Reader Measures (25th to 75th) | Grade | 2012 CCSS Text Measures |
| 1 | Up to 300L | 1 | 190L to 530L |
| 2 | 140L to 500L | 2 | 420L to 650L |
| 3 | 330L to 700L | 3 | 520L to 820L |
| 4 | 445L to 810L | 4 | 740L to 940L |
| 5 | 565L to 910L | 5 | 830L to 1010L |
| 6 | 665L to 1000L | 6 | 925L to 1070L |
| 7 | 735L to 1065L | 7 | 970L to 1120L |
| 8 | 805L to 1100L | 8 | 1010L to 1185L |
| 9 | 855L to 1165L | 9 | 1050L to 1260L |
| 10 | 905L to 1195L | 10 | 1080L to 1335L |
| 11 and 12 | 940L to 1210L | 11 and 12 | 1185L to 1385L |