Three mode comparability studies were conducted on the following Saturday national ACT test dates: October 26, 2019, December 14, 2019, and February 8, 2020. The primary goal of these studies was to evaluate whether ACT scores exhibited mode effects between paper and online testing that would necessitate statistical adjustments to the online…

The engage2learn approach to educator support provides an in-person and virtual coaching system that builds capacity and engagement in public schools. Engage2learn hired LXD Research to conduct an independent evaluation and analysis of NWEA Math and Reading data collected during the 2021-2022 school year. The goal was to measure how engage2learn…

Analysis of consistent Zearn Math users and a comparable group of non-users in District of Columbia Public Schools (DCPS) shows that students who used Zearn Math consistently had higher levels of academic growth than similar students with low- or no-usage. This analysis used two quasi-experimental methods, Coarsened Exact Matching (CEM) and fixed…

Sistema COC is a learning system for Brazilian private school students attending kindergarten through 12th grade. Its mission is to prepare students for assessments administered by the National Institute for Educational Studies and Research (INEP) of the Brazilian Ministry of Education. The most important of these assessments is the Exame Nacional…

The purpose of this study was to compare student growth of SCSD-7 students on the MAP (Measures of Academic Progress) reading assessment to otherwise similar students who did not use Istation. This study followed two cohorts of elementary school students over three years (2016-17 through 2018-19) to assess the effect of Istation on reading…

This report describes the evaluation of Lone Star AP CSP, a program developed by the National Mathematics + Science Initiative and funded by a 2019 Education Innovation and Research grant. The three-year program aimed to increase student access to and success in the Advanced Placement (AP) Computer Science Principles (CSP) course in 37 Texas high…

Transitional Kindergarten (TK) is a relatively new model of early childhood education, with little evidence on whether and how it affects children's development. This study provides new evidence using data from Michigan, which has the nation's second-largest TK program. Using survey data (N=171) from administrators in 2021-2022, the paper…

According to the Texas Education Code §29.121 and the Houston Independent School District (HISD) Board Policy, Gifted and Talented (G/T) students are "those identified by professionally qualified persons, who perform at, or show the potential for performing at a remarkably high level of accomplishment when compared to others of the same age,…

These appendices accompany the report "Final Report of the i3 Impact Study of Making Sense of SCIENCE, 2016-17 through 2017-18." Science education has experienced a significant transition over the last decade, catalyzed by a re-envisioning of what students should know and be able to do in science. That re-envisioning culminated in the…

According to the Texas Education Code §29.121 and the Houston Independent School District (HISD) Board Policy, Gifted and Talented (G/T) students are "those identified by professionally qualified persons, who perform at, or show the potential for performing at a remarkably high level of accomplishment when compared to others of the same age,…

The Arkansas Better Chance (ABC) program longitudinal study (2009-2021) reviews the changing circumstances and outcomes of participation in Pre-K services in Arkansas. The "core comparison" of this study is between ABC participants and students who had no known Pre-K participation but have similar low socio-economic household income…

According to the Texas Education Code §29.121 and the Houston Independent School District (HISD) Board Policy, Gifted and Talented (G/T) students are "those identified by professionally qualified persons, who perform at, or show the potential for performing at a remarkably high level of accomplishment when compared to others of the same age,…

The goal of HISD [Houston Independent School District] prekindergarten programs is to offer the youngest learners strong foundations built on solid concept, as well as individual and group discovery. The program curriculum focuses on beginning literacy, numeracy, social emotional development as well as supporting the individual linguistic and…

The Alaska Performance Scholarship (APS) rewards students who strive to excel in high school and continue their education in degree and certificate programs in Alaska. This report covers the high school, postsecondary, Alaska residency, and workforce outcomes of the APS program between Fall 2011-2023. [This report was prepared by Resource Data,…

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…