# PreK–12 Research
McGraw Hill Research Library
Explore efficacy studies, research foundations, whitepapers, and more.
Research Opportunities
Discover opportunities to volunteer for program research studies.
Featured Independent Research
Strong Evidence for SRA Corrective Reading
In the National Assessment of Title I Programs, researchers found significant positive effects for Corrective Reading users on the Woodcock Word Attack assessment, qualifying as ESSA Strong evidence.
Open Court Reading Meets Top Tiers of ESSA Criteria
In a multisite cluster randomized study, researchers found significant positive effects on Reading Composite, Vocabulary, and Reading Comprehension. This study qualifies as ESSA Strong evidence.
Significant Growth with Achieve3000 Literacy
In a study qualifying as ESSA Strong evidence, students using Achieve3000 Literacy had more significant gains on the GMRT-4 Vocabulary, Reading Comprehension, and Total Reading tests than non-users.