The CARS® and STARS® Series

Tools to Improve Every Student’s Reading Comprehension

CARS and STARS is a powerful combination of assessment and instruction that works effectively together to improve every student's reading comprehension. By focusing on 12 core strategies, CARS and STARS gives students the essential tools they need to improve their reading comprehension skills.


Grades K–8

Get the data you need to drive instruction and measure progress. The revised, research-based Comprehensive Assessment of Reading Strategies (CARS) series helps educators identify students' strengths and weaknesses in the 12 standards-based reading skills.

View the CARS Series


Grades K–8

The updated, research-based Strategies to Achieve Reading Success (STARS) series helps you model the 12 standards-based reading strategies and provide explicit instruction.

View the STARS Series