Curriculum Associates' "i-Ready® Instruction" is a supplemental, online personalized instruction program available for reading and mathematics. The Human Resources Research Organization (HumRRO), in collaboration with Century Analytics, implemented a quasi-experimental design (QED) using 2018-19 "i-Ready Diagnostic" and…

Assessment and evaluation have always been an integral part of educational process. Quality and purposeful assessment can assist in students' learning and their achievement. While there has been a rapid growth in international, standardized student assessments in the past few decades, a large number of education systems participating in these…

The National Assessment of Educational Progress (NAEP), first administered in 1969, is the largest nationally representative and continuing assessment of what the nation's students know and can do in various subjects such as civics, geography, mathematics, reading, science, U.S. history, and writing. The results of NAEP are released as The…

These are the appendixes for the report, "How Legacy High School Students Use Their Flexible Time." The study examined whether students with different demographic characteristics and academic achievement levels use their flex-time differently. The study found that, on average over the school year, students had approximately 80 minutes of…

This study presents a framework that uses academic trajectories in the middle grades for identifying students in need of intervention and providing targeted support. We apply a set of academic college readiness benchmarks to rich longitudinal data for more than 360,000 students in 5900 schools across 49 states and the District of Columbia. In both…

In Fall and Winter 2022-2023, the NSCAS assessments were administered in ELA and mathematics for grades 3-8. In Spring 2022-2023, the NSCAS assessments were administered in English language arts (ELA) and mathematics for grades 3-8 and in science for grades 5 and 8. The purposes of the NSCAS assessments are to measure and report Nebraska students'…

We estimate male-female test score gaps in math and English language arts (ELA) for nearly 10,000 U.S. school districts using state accountability data from third- through eighth-grade students in the 2008-2009 through 2015-2016 school years. We find that the average U.S. school district has no gender achievement gap in math, but there is a gap of…

Charter schools in urban environments have been scrutinized for their effectiveness. This study attempted to determine whether students attending Midwestern urban charter schools outperformed students in traditional schools on the state's accountability system over a 5-year time period. Using a quasi-experimental research design, data were…

Whether and to what extent kindergarten children's executive functions (EF) constitute promising targets of early intervention is currently unclear. This study examined whether kindergarten children's EF predicted their second-grade academic achievement and behavior. This was done using (a) a longitudinal and nationally representative sample (N =…

Behavioral and molecular genetic research has established that child cognitive ability and academic performance are substantially heritable, but genetic variation does not account for all of the stratification of cognitive and academic outcomes across families. Which specific contexts and experiences contribute to these "shared…

Corequisite remediation, which mainstreams students deemed academically underprepared into college-level courses with additional learning support, is rapidly being adopted by colleges across the nation. This paper provides the first causal evidence on a system-wide corequisite reform, using data from all 13 community colleges affiliated with the…

This Policy Guide draws on work with five states to provide context and guidance for policymakers looking to strengthen the pre-K to K-3 continuum and create opportunities to close the achievement gap. It includes a tear-out page of guiding questions at the end.

This document presents the technical appendices that accompanies the full report, "Evaluation of the DC Opportunity Scholarship Program: Impacts Three Years after Students Applied." The four appendices include: (1) Program Features, Lottery Structure, Study Sample, and School Characteristics; (2) Technical Approach; (3) Impact Findings…

State and district leaders can use the GTL Center's Snapshot on Mentoring and Induction to make informed policy decisions that take into account the evidence base for mentoring and induction strategies to improve supports for and equitable access to great teachers and leaders. The snapshot describes mentoring and induction strategies, how states…

The Houston Independent School District (HISD) offers two primary bilingual programs for Spanish-speaking English learners (ELs). EL students in the district's two main bilingual programs (Transitional and Dual Language) are instructed in both English and Spanish. The relative amount of instruction in each language depends on both program and…