ESL and Lexile Reading Level Materials: Lexile Reading Levels

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 Rankings

  For information on how it came about in 1998, and by what formula the numbers are calculated. Find resources such as finding an appropriate book, analyzing text to find the lexile level, teacher resources and more.

• The Flesch-Kincaid Readability Formula

  Use their free Grade Level Calculator.

How do Lexile Rankings relate to grade levels?

The following data is based on research conducted by MetaMetrics from 2010-2019. The data includes over 3 million students across the U.S. and Virgin Islands. The grade-level ranges are from the 25th to 90th percentile of the student population.