New research:

Students that experienced learning acceleration struggled less and learned more than students who started at the same level but experienced remediation instead.

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SRI Report finds that teachers substantially improved Pedagogical Content Knowledge (PCK) with Zearn PD

A case study analysis by SRI Education & TERC of teachers using Zearn Math Curriculum Study Professional Development found the majority of teachers substantially improved their Pedagogical Content Knowledge, an important indicator of a teachers’ ability to teach mathematics.

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Study covering 150K students statewide finds high Zearn Math usage associated with improved state test scores

Researchers compared 2018–19 LEAP scores across nearly 800 Louisiana public elementary schools and found that schools with high Zearn Math usage saw a greater proportion of students reach the Mastery level (or higher) relative to schools with low/no Zearn Math usage.

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Students learning with Zearn Math demonstrate notably higher likelihood of meeting SBAC proficiency standards

An analysis of 2018-19 California SBAC results shows that students learning with Zearn Math were over 50% more likely to reach proficiency. The impact of Zearn Math was even higher in schools with large populations of English Language Learners.

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2x learning gains of a typical year of instruction with Zearn Math

A district-wide study in Arizona reveals that students with high Zearn Math usage were twice as likely to improve scores on the AzMERIT Test, Arizona’s state-wide achievement assessment, and that daily use alongside instruction could drive double the learning gains of a typical year of instruction.

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Efficacy Study of Zearn Math in a Large Urban School District: Year Two

Treatment-control study finds continued positive correlation between proficiency gains and Zearn Math usage in second year of implementation.

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Zearn Math usage leads to 2-3x growth in proficiency rates

Students with high Zearn Math usage were more likely to reach proficiency on the 2018-19 New York State Assessment. The impact was particularly pronounced in schools with large populations of English Language Learners and students eligible for free or reduced-price lunch, which saw up to 3X growth in proficiency rates.

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How much to remediate? An investigation.

Researchers set out to investigate the effectiveness of different approaches taken this fall to recover missed learning from Spring 2020, asking “which approach to remediating missed learning is most effective to catch kids up?” Zearn worked with Steve Levitt and his team at University of Chicago's Center for RISC (Radical Innovation for Social Change) to design an analysis that would offer insights on this timely question.

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Efficacy Study of Zearn Math in a Large Urban School District: Year One

Treatment-control study finds usage of Zearn Math is tied to student engagement and achievement gains after just one year of implementation.

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Zearn Math usage tied to student achievement gains on SBAC

An analysis of outcome data of nearly 10,000 students, spanning 131 schools across five states, found that grades with high Zearn Math usage outperformed state averages across all achievement levels on the Smarter Balanced Assessments, with the highest gains in 5th grade.

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Mindsets Toward Math: Survey finds high Zearn Math usage tied to more positive mindsets about math

A survey of 345,000 students found students who completed more Zearn Math lessons were more likely to report a love of math. Across all grades, as high-struggling students spent more time learning with Zearn Math, they increasingly reported that they believe they can get better at math.

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Students learning with Zearn Math demonstrated greater increases in proficiency over two-year period

An analysis of high-stakes test scores across 21 states found that the average two-year growth in the percentage of students reaching proficiency in grades that used Zearn Math was notably higher than statewide averages.

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