Excellence gaps are differences in advanced education outcomes among student groups. This study replicates and extends an earlier study on the prevalence and magnitude of excellence gaps based on student sex and immigrant status using Grade 8 TIMSS data. Data were included for the 12 countries that have participated in each TIMSS administration…

The extent to which differences were present in the Texas state-mandated Reading assessment for Emergent Bilingual students by their special education status (i.e., Not Special Education, Special Education) for five school years was addressed. Data were collected from the Texas Education Agency Public Education Information Management System for…

Girls' education significantly benefits communities and countries. Despite ongoing efforts, gender disparity in developing countries remains a persistent issue. This study aimed to investigate gender disparity in regional and national examinations using an ex-post facto research design. To achieve this, we analyzed the scores of 3,349 students in…

Like other administrators serving low-socioeconomic areas and/or minoritized populations of students, Assistant Principal Mackenzie Riley is struggling to ensure systems are in place to ensure all students in their building, regardless of ability level, have access to high-quality instruction. This case examines how efforts to close the…

Legislative frameworks in England have been designed to support children with special educational needs and disabilities (SEND). Despite efforts from policy makers, achievement gaps persist between students with SEND and their typically developing peers. This study examines the extent and persistence of academic achievement gaps between students…

Despite extensive research on attainment grouping, the impact of attainment grouping on pupil attainment remains poorly understood and contested. This paper presents evidence from a study conducted with 2944 12-13 year olds, from 76 schools in England, who were allocated to between-class attainment groups ('setting') in English and mathematics…

This study addressed the issue of low reading proficiency in Kentucky's students with disabilities, potentially exacerbated by post-third-grade curriculum changes. This quasi-experimental ex post facto comparative study aims to determine differences in the grade four reading achievement gap in students with disabilities compared to students…

The purpose of the transcendental phenomenological study was to discover the role of adaptive learning programs in closing the learning gaps in mathematics for secondary students in Georgia following the COVID-19 pandemic. The theory guiding this study was that of Bandura's theory on self-efficacy, as it highlights how an individual's experience…

Locally and nationally, English Learners (ELs) struggle to achieve parity with their monolingual peers in reading. In addition to second language-related considerations, ELs' efforts to succeed in reading may be thwarted by poverty, trauma, interrupted education, barriers to effective instruction and parental engagement, limited parental…

Background: Comparative educational research has studied inequality in educational outcomes through large-scale assessments like PISA and TIMSS, by identifying achievement gaps within social groups (e.g., gender, parental education, and immigrant gaps) to inform investment in intervention programs and educational policies. However, the focus of…

We investigate the effect of changing schools on academic achievement. Using representative data on the educational trajectories of 17,000 Swiss lower secondary students and national assessment data at the end of compulsory schooling, we estimate the potential individual achievement gaps caused by a school change. While the overall effect is…

This quantitative quasi-experimental study was completed to identify the impact the Success for All: Reading Edge (SFA) program had on student achievement at a Title I middle school. To improve literacy and student achievement in schools, scripted reading programs were created. With the popularity of these programs, research needs to be completed…

The achievement gap, or opportunity gap, in education is when one group of students outperforms another group of students in statistical category. For decades, these gaps been analyzed in an attempt to support students and close these differences in categorical scores. The primary purpose of this dissertation was to focus on closing the…

This study reports on the feasibility and acceptability of a social justice infused service-learning (S-L) program to promote Black adolescent mental health and educational equity. We convened a community advisory board to help adapt and pilot test, via open trial mixed method design, an evidence-based service-learning program for Black middle…

The problem underpinning this study was a pronounced achievement gap between Black and White students, evident in standardized test score pass rates of third through fifth graders, in a school district in the U.S. state of Virginia. The purpose of this basic qualitative study was to explore the extent to which culturally responsive instructional…