The Accelerated Reader® program makes it easy for teachers and librarians to motivate every student to dramatically increase literature-based reading practice.
Developed by MetaMetrics, Inc. after more than 20 years of ongoing research, the Lexile Framework® for Reading matches readers to text. Thousands of books and millions of articles have Lexile® measures.
Guided Reading Levels in accordance with Fountas and Pinnell
Crabtree titles are leveled for guided reading instruction in accordance with the work of literacy experts Irene Fountas and Gay Su Pinnell.
DRA Levels (Developmental Reading Assessment)
Leveling criteria developed and introduced to educators by Joetta Beaver through her various assessment tools such as DRA Developmental Reading Assessment K-3 Teacher Resource Guide (Celebration Press, 2001), plus others.