The Lexile Framework for Reading is a developmental scale that matches reading ability to text complexity. The lower the Lexile measure, the easier the text. The higher the Lexile measure, the more challenging the text. A Lexile measure can range from below 200L for beginning readers to above 1600L for advanced readers. The average reader has a Lexile measure between 400L and 700L. A 500L text is considered appropriate for a fifth grade reader. However, some fifth grade readers may be able to read a text with a higher Lexile measure, while some may need a text with a lower Lexile measure.