Classworks conducted a study to determine the impact of Classworks Individualized Learning reading and math instruction on the achievement outcomes for students on the end-of-year Classworks Universal Screeners from the Spring of 2022. This 2021-2022 Classworks Achievement Impact Study evaluated reading performance data from 19,279 General and Special Education students and math performance data from 22,293 General and Special Education students across 47 school districts nationwide.