This report evaluates the effects of Lexia[TM] Core5[TM] Reading (Core5) -- a product of Lexia Learning Systems -- on the reading achievement of students in grades 3-5 during the 2021-2022 academic year. Core5 is a program that focuses on various student literacy skills, such as fluency, vocabulary, and comprehension. This report represents the…

Has the achievement of U.S. students improved over the past half century? Have gaps between racial, ethnic, and socioeconomic groups widened or narrowed? These and similar questions provoke near-constant conversation. But answers are uncertain, partly because research to date has yielded inconsistent findings. In this article, the authors bring…

Policymakers have long sought to raise expectations for students through standards-based reform. I examine the extent to which the Common Core State Content Standards (CC) affected student achievement and the size of achievement gaps. I merge together data on preparation for and implementation of the CC with the National Assessment of Educational…

New research, using data from 7 million students in grades 3-8 in 25,000 schools who took MAP Growth reading and mathematics assessments between 2020-21 and fall 2022, continues NWEA's ongoing research agenda examining how the COVID-19 pandemic has affected student achievement in reading and math. At the start of the 2022-23 school year, we…

The Trends in International Mathematics and Science Study (TIMSS) is an international comparative study that measures trends in mathematics and science achievement at the 4th and 8th grades every 4 years. TIMSS is designed to align broadly with mathematics and science curricula in the participating education systems and, therefore, to reflect…

In our report, "Learning during COVID-19: Initial findings on students' reading and math achievement and growth," we examine how school shutdowns impacted student achievement at the start of the 2020-21 school year. Using data from schools all over the country, we've built these visualizations to explore three key questions: (1) How have…

America is in a reading crisis. The authors of this new report point out, two in three American fourth-graders are performing below proficient in the National Assessment of Education Progress (NAEP)--known as the "Nation's Report Card." There's another troubling component to this crisis. Important segments of society are being left…

This What Works Clearinghouse (WWC) report, part of the WWC's Teacher Excellence topic area, explores the effects of the "eMINTS Comprehensive Program," referred to as "eMINTS" in this report, on student achievement. The strong influence of teachers on student outcomes, as well as the variation in teacher effectiveness, has led…

This report examines and explains the most recent achievement results for New York City and New York State students in district and charter schools, and to put New York City's achievement levels in context. The New York City public school system is the largest in the country, with more than 1 million students in grades prekindergarten through 12…

Every two years, the Washington State Board of Education (SBE) reports on the health of Washington's educational system. Established in 2013 by the Washington State Legislature, the Indicators of Educational System Health create a common framework upon which to evaluate the overall health of the educational system. The Board has two important…

Using testing data from 2.1 million students in 10,000 schools in 49 states (plus D.C.), we investigate the role of remote and hybrid instruction in widening gaps in achievement by race and school poverty. We find that remote instruction was a primary driver of widening achievement gaps. Math gaps did not widen in areas that remained in-person…

This What Works Clearinghouse (WWC) report, part of the WWC's Teacher Excellence topic area, explores the effects of the "eMINTS Comprehensive Program," referred to as "eMINTS" in this report, on student achievement. The strong influence of teachers on student outcomes, as well as the variation in teacher effectiveness, has led…

This What Works Clearinghouse (WWC) report, part of the WWC's Teacher Excellence topic area, explores the effects of the "eMINTS Comprehensive Program," referred to as "eMINTS" in this report, on student achievement. The "eMINTS Comprehensive Program" aims to help teachers improve their practice and the outcomes of…

The Progress in International Reading Literacy Study (PIRLS) is an international assessment of student performance in reading literacy at the fourth grade. PIRLS measures students in the fourth year of formal schooling because this is typically when students' learning transitions from a focus on "learning to read" to a focus on…

Today's children are our nation's hope for building a strong future economy and thriving society. One of the key milestones on the path to success is learning to read in the early grades. As documented in the Casey Foundation's reports "Early Warning: Why Reading by the End of Third Grade Matters" and "Early Warning Confirmed,"…