Whether or not a state adopts the Common Core State Standards, Lexile measures (which are cited in Common Core's Appendix A) can provide educators with actionable information about a student's reading ability. Lexile measures enable educators to match the student with books, articles and other reading resources that will provide the right level of challenge for that student's ability and goals. They can be used as part of any reading program to support reading growth and encourage students to read more.

1. Differentiate Instruction and Manage Comprehension

Lexile measures enable educators to manage a student's reading comprehension and target instruction as necessary. They provide insight into a student's independent reading experience with a specific text so that educators can better support struggling readers or provide achieving readers with additional resources. Matching a student's Lexile measure with text at the same Lexile measure leads to an expected 75% comprehension rate, a rate that is not too difficult to be frustrating but difficult enough to be challenging and to encourage reading progress. Educators can further adjust comprehension by choosing more or less difficult texts within the student's Lexile range, which spans 50L above to 100L below his or her Lexile measure. Lexile measures are not intended to restrict students to books only within their Lexile range. Click here to read more about reading outside of a Lexile range. Click here for more information on professional development and the Common Core Standards.

2. Track Progress on a Day-to-Day Basis

Lexile measures tie day-to-day work in the classroom to critical high stakes tests that also report students' scores as Lexile measures. This commonality allows educators to provide interim assessment and feedback while using the same consistent measure. Lexile measures help educators set measurable goals, monitor and evaluate reading programs, and easily track progress without additional testing. The Common Core Standards' grade and Lexile bands serve as a guide to help educators know at what text complexity level—and at what grade level—students should be reading to make sure they are on target to graduate college and career ready.

3. Apply Lexile Measures Across the Curriculum

More than 150 publishers have Lexile measures for their titles, enabling educators to link all the different components of the curriculum. Educators can use a student's Lexile measure to connect him or her with tens of thousands of books in the Lexile Titles Database and tens of millions of newspaper and magazine articles (through popular periodical databases) that also have Lexile measures.

4. Easily Communicate with Families/Caregivers

Lexile measures are a clear, nonjudgmental way of communicating a student's reading abilities and goals to parents. They allow educators to generate lists that help parents guide their children to appropriately challenging reading. Lexile measures can also be used to promote summer reading, and to select books that will provide more easily understood background information for school assignments. When standards and scores are reported as Lexile measures, families can be provided with examples of student goals or achievements by converting the Lexile measure into a range of familiar texts for outside reading.

  • For more information on using Lexile measures at school, click here.
  • For more information on using Lexile measures in the library, click here.
  • For more information on Lexile professional development, click here.

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