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ALEKS Adventure
Building Blocks PreK
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Sample Programs Online
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Sample Programs Online
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Sample Programs Online
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ALEKS Adventure
Building Blocks PreK
Reading Laboratory
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Asi se dice cover
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Entrepreneurship Fundamentals cover
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PreK–12 
Research

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Explore efficacy studies, research foundations, whitepapers, and more.

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Discover opportunities to volunteer for program research studies.

Featured Independent Research

SRA Corrective Reading.

Strong Evidence for SRA Corrective Reading , Link will open in a new window

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 , Link will open in a new window

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 , Link will open in a new window

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.

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