Lexile

What is a Lexile Ranking?

A Lexile Ranking is a number calculated upon several factors, such as sentence length and word-frequency characteristics, that indicates how readable a particular text is by a child at a particular grade level. Choose texts within a reader's Lexile range of 50L above and 100L below a student's reported Lexile measure.

Lexile and Quantile Hub

For information on how it came about in 1998 and on the formula used to calculate the numbers. Find resources for finding an appropriate book, analyzing text to determine the Lexile level, teacher resources, and more.

How do Lexile Rankings relate to grade levels?

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