Accelerated Reader provides formative assessments and monitoring of student progress in reading to personalize instruction. It uses technology to track indicators of student success and has students take quizzes after reading books. Reading Counts also uses continuous assessment and tracking to monitor student reading progress over time and inform instruction. Read 180 is a comprehensive reading intervention program for struggling readers in grades 4-12 that includes adaptive technology, independent reading, and individualized teacher instruction to raise reading achievement. It tracks student progress in real time to deliver personalized lessons.