We conducted a randomized control trial assessing the effects of two variants of word-problem intervention with third graders (n = 304) experiencing mathematics difficulty. Students were assigned to a business-as-usual condition (BaU) or one of two variants of word-problem intervention. One variant included a pre-algebraic reasoning component…

Background/Context: The U.S has experienced years of lost progress in math because of the COVID-19 pandemic (NAEP, n.d.a). Fraction understanding is widely characterized as the gatekeeper to algebra (Booth et al., 2012; National Mathematics Advisory Panel, 2008) and can support success in middle and high school math (Bailey et al., 2012; Booth et…

Lesson study, especially when conducted with support from targeted resources, is often identified as a potentially effective means to support teacher learning. In this study, 80 school-based teams of educators, representing 80 classrooms of third- or fourth-grade students in the US, were randomly assigned to one of four conditions: lesson study…

Spelling instruction is often overlooked by many teachers during reading and language arts. The purpose of this study was to implement a manageable differentiated word study instruction curriculum, drawn from the "Words Their Way (WTW)" curriculum, to determine how it affected students' spelling accuracy and how the participants…

This quantitative study examines the relationship between implementation of the 21st Century Afterschool Centers on Education (ACE) program and fourth grade student performance on the State of Texas Assessment of Academic Readiness (STAAR). Data collection was extracted from schools within South Texas. The campus variation chosen for this study…

Zearn Math is a popular software platform for K-8 mathematics learning, designed to enable all students to successfully access grade-level content. RAND researchers collaborated with Zearn, the product's developer, to design this evaluation. Then RAND conducted the study independently, randomly assigning 64 schools in an urban Texas district to…

This qualitative study explored teachers' perceptions and experiences regarding the implementation of the social and emotional learning framework, Strong Start, in a Title I elementary school in southeast Texas. The participants include ten elementary school teachers in Pre-Kindergarten through 5th grade. Teachers' levels of experience range from…

This exploratory study examined the nature of instruction provided in two reading intervention programs designed for elementary-grade students with dyslexia (The Multisensory Teaching Approach and Reading RULES!). In addition to documenting the proportion of time dedicated to particular content components (i.e., letter-name knowledge, phonological…

The purpose of this study was to conduct a rigorous, external evaluation of the impact of the "Education Galaxy" Online Assessment, Practice, and Instruction programs on mathematics and reading achievement. Specifically, the study used a quasi-experimental (matched comparison) design that conforms with the requirements of the Every…

LXD Research conducted a third-party, mixed-methods efficacy study of 95 Percent Group's Phonics Core Program (95 PCP) to determine the program's impact on fourth and fifth grade students' literacy outcomes. Outcomes included Istation's Indicators of Progress (ISIP) Advanced Reading and the State of Texas Assessments of Readiness (STAAR). LXD…

Air Tutors is an online tutoring organization that provides one-on-one and small group tutoring for K-12 students. Air Tutors uses live, online tutoring and an online platform that incorporates video conferencing and interactive whiteboards; recruits high-quality paid tutors with tutoring experience and engaging online personalities; and engages…

The primary purpose of this parallel mixed methods study was to discover the extent to which instructional coaches and third and fourth grade elementary teachers were impacted by participating in the instructional coaching model available on their campuses. A subsequent concern was to determine to what extent the writing practices of the teachers…

This research study analyzed the impact of an early college readiness program (ECRP) on students' academic performance on the State of Texas Assessments of Academic Readiness (STAAR) reading and mathematics assessments in Grades 3, 4, and 5. ECRP is a college readiness system designed to support students to reach postsecondary education. The ECRP…

This mixed methods study examined the significance of parental involvement and its influence on student productivity in writing. A total of 25 fourth grade students from one Texas suburban school, their parents, and three teachers participated in this study. Data collection instruments used for the collection of quantitative data were The Knudson…

Objective: To increase nutrition knowledge, fruit and vegetable preference, eating and cooking self-efficacy among 3rd- to 5th-grade students after a 6-week school-based nutrition education intervention. Design: Quasi-experimental pre-post design. Setting: Title I elementary schools, South Plains, West Texas. Method: A nutrition education…