Analysis of consistent Zearn Math users and a comparable group of non-users in a large Southern district shows that students who used Zearn Math had higher levels of academic growth than similar students with no usage. This analysis used the quasi-experimental method, Coarsened Exact Matching (CEM), to examine the impact of Zearn Math across 1,111…

Analysis of consistent Zearn Math users and a comparable group of low- or non-users, across 6 districts in Nebraska, shows that students who used Zearn Math consistently had higher levels of academic growth than similar students with low- or no-usage. For this analysis, 784 students who completed an average of 3+ Zearn Math lessons per week,…

The purpose of this report was to evaluate the Lalilo software program. This large-scale quasi-experimental study independently conducted by Lehigh University reported that K-1 students in schools using Lalilo increased their early literacy skills at a greater rate than students in similar schools that did not use Lalilo.

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…

This independent quasi-experimental study conducted by WestEd reported that Lalilo had a large significant positive impact on students' oral reading fluency skills. This is an important outcome because fluency is both a critical component of literacy and a strong predictor of later reading success. Effects were particularly strong for students…

(Purpose) This study aimed to evaluate the efficacy of Imagine Math by comparing the performance of program users and non-users on the NWEA MAP Growth Math assessment. (Methods) Propensity score matching was utilized to compare statistically similar southeastern U.S. charter school students who used or did not use the Imagine Math program during…

In education research, statistical significance and effect size are 2 sides of 1 coin; they complement each other but they do not substitute for each other. This descriptive study, however, was limited to effect size only because years of experience with Idaho statewide student samples of up to 24,000 the rare outcomes has been t-tests with…

In this study we evaluated the stability of item parameters and student scores, using the pre-equated (pre-pandemic) parameters from Spring 2019 and post-equated (post-pandemic) parameters from Spring 2021 in two calibration and equating designs related to item parameter treatment: re-estimating all anchor parameters (Design 1) and holding the…

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…

LXD Research analyzed data from over 3,200 students in grades K-2 who participated in using the 95 Phonics Core Program in a school district in MO during 2021-2022. The demographic breakdown of this sample included 75% White students, 23% Low Income students, 9% ESL students, 13% SPED students. Schools in the district were paired for similar ELA…

The purpose of this report is to provide information about the academic performance of emergent bilingual students in the Austin Independent School District (AISD). This document summarizes performance on the State of Texas Assessment of Academic Readiness (STAAR) tests, end-of-course (EOC) tests, the Texas English Language Proficiency Assessment…

Reading Horizons partnered with LearnPlatform by Instructure to investigate the relationship between teacher implementation of Reading Horizons Discovery (RHD) and student literacy outcomes. The study involved 83 educators and 1,242 students across seven elementary schools in North Carolina during the 2022-23 school year. Researchers used mCLASS…

The Texas Literacy Initiative (TLI) was first implemented in Austin Independent School District during the 2012-2013 school year. This report summarizes Fall 2014 survey responses from teachers at TLI campuses.

The Texas Literacy Initiative (TLI) was first implemented in Austin Independent School District during the 2012-2013 school year. This report summarizes Fall 2014 survey responses from coaches and specialists at TLI campuses.

This report describes ACT test results for Austin Independent School District (AISD) seniors in the 2018-2019 school year. In 2018-2019, the district's average ACT composite score of 23.0 exceeded the state (20.5) and national (20.7) average composite scores.