The purpose of this study was to investigate the impact of the demographic characteristics of middle school students on their mathematics performance on the STAAR examination. More specifically, this study examined the effect of the variables gender, ethnicity, and at-risk status, separate and collectively, on the four mathematics components…

The purpose of this study was to examine if teachers' participation in the educational technology professional development was a significant predictor in the 8th grade students' mathematics achievement on the 2013 National Assessment of Educational Progress (NAEP). This non-experimental study analyzed selected variables from the 2013 NAEP 8th…

This dissertation researched the scope of mathematics achievement disparities in the United States and how these disparities can be minimized through a self-efficacy lens. To answer pertinent research questions with data from the National Assessment of Educational Progress (NAEP) 2019 mathematics assessment in Grades 4, 8, and 12, gap analyses,…

Despite the racial/ethnic diversity of the United States, a significant difference remains between the standardized achievement scores of White students and Black students, most commonly known as the achievement gap or the opportunity gap. Although it is recognized that the opportunity gap is rooted in structural racism, scholars have examined…

Despite ongoing efforts to reform schools, the longstanding racial/ethnic achievement gap still persists, particularly for boys of color; in many cases, the gap is widening, particularly for students transitioning from elementary to middle school. The focus of this study was to examine the impact of effective instructional practices for struggling…

As science has become an integral component of today's technologically driven world, k-12 success in this subject is critical if continued American competitiveness in the global economy and workforce is to continue. An appreciable achievement gap exists in science performance, affecting racial minorities disproportionately. This reality forecasts…

Purpose: The purpose of this journal-ready dissertation was to determine the extent to which differences were present in Disciplinary Alternative Education Program placement by student demographic characteristics for Grade 6, 7, and 8 students in Texas schools. In the first investigation, the degree to which Disciplinary Alternative Education…

The purpose of this study is to evaluate the effectiveness of IXL Math online software in raising student achievement on the New York State Math exam, with special focus on effects by student gender, ethnicity and disability status. The study includes an analysis of the relationship between scale scores and time spent using the IXL system, number…

The issue that this study addressed is the evaluation of the impact of Imagine Math© upon the closure of learning gaps of English Learners and students of diverse racial backgrounds in mathematics and Algebra. Specifically, the intent of the research was to determine the impact of the adaptive learning program, Imagine Math©, upon student…

The purpose of this study was to determine the impact a sustained rotational blended learning model on the academic achievement on Title I K-8 elementary school students at a Catholic school in the areas of reading comprehension and mathematics as measured with standardized assessments, the Iowa Test of Basic Skills. In response to the first…

Purpose: The purpose of this journal-ready dissertation was to examine the extent to which differences were present in discipline consequence assignments by the ethnicity/race and economic status for Grade 6, 7, and 8 girls in Texas. In the first investigation, the degree to which discipline consequence assignments differed by the ethnicity/race…

Postsecondary access and degree completion are increasingly important concerns for individuals and policymakers. This dissertation presents evidence on three distinct strategies for increasing students' level of preparedness for higher education, rates of postsecondary enrollment, and rates of postsecondary degree completion. The first is an…

This dissertation investigated whether math course sequence from 8 th to 9th grade influenced 9th grade math motivation, defined as perceived competence in math, sense of belonging in math, importance of math, and math anxiety. Two competing hypotheses were proposed suggesting that a more accelerated math curriculum (Algebra 1 in 8th grade versus…

This study evaluated a comprehensive mentoring program on selected at-risk students with specific school problems (attendance, discipline referrals, and core area grades). The sample included youths in Grades 4-8 who differed on some characteristics including grade-level, ethnicity, and gender. For the purpose of this mixed methods study, the…

The purpose of this study is to examine the relationship between virtual school size and student achievement in virtual schools in a southwestern state. Enrollment size and the following areas were studied in an attempt to determine student achievement: STAAR English Language Arts/Reading, STAAR Math, STAAR Science, and STAAR Social Studies…