As highlighted in the literature, one of the main difficulties in mathematics is the management of different semiotic representations. This difficulty occurs in verticals throughout schooling and is often an obstacle to the proper learning process of mathematics. The present study aims to investigate the different facets of these difficulties with…

This occasional paper presents national demographic subgroup data for the 1975-2022 Monitoring the Future (MTF) national survey results on 8th, 10th, and 12th graders' use of drugs, alcohol, and tobacco. The study covers all major classes of illicit and licit psychoactive drugs for an array of population subgroups. The 2020 subgroup data presented…

The paper is a reflective narrative of engaging two school students aged 13-16 as advisors in participatory research in Bangladesh during the COVID-19 crisis. It outlines different ways to facilitate the active engagement of children and young people and include their voices in research. The authors also discuss the benefits and methodological and…

The Center for Gifted Education (Center) at William & Mary has provided diverse enrichment programs for high-ability students since 1988. With an aspiration to serve financially disadvantaged students, the Center developed and hosted a summer residential enrichment program in STEM areas. Camp Launch, for low-income, high-ability middle school…

The Promise Fellow Program is an intervention designed to prevent dropout amongst students in grades 6-12 in Minnesota that show early warning signs of school disengagement. The program is led by interventionists known as Promise Fellows and provides three research-based supports that align with the National Dropout Prevention Center's "Basic…

Overall, Twilight credit recovery program student outcomes were positive during 2020-2021. The middle school students who participated in Twilight had a 60% success rate and high school students who participated in Twilight had a 77% success rate. In addition, 81% of the 12th graders who participated in Twilight graduated from high school. Lastly,…

Monitoring the Future (MTF) is a long-term study of substance use and related factors among U.S. adolescents, college students, and adult high school graduates through age 60. It is conducted annually and supported by the National Institute on Drug Abuse. MTF findings identify emerging substance use problems, track substance use trends, and inform…

To be successful, teachers of English in grades 6-12 need more than basic content knowledge and classroom management skills. They need a deep understanding of the goals and principles of teaching literature, writing, oral discourse, and language in order to make sound instructional decisions. This engaging book explores the pedagogical foundations…

We provide a conceptual analysis of how combinatorics problems have the potential to support students to establish non-linear meanings of multiplication (NLMM). The problems we analyze we have used in a series of studies with 6th, 8th, and 10th grade students. We situate the analysis in prior work on students' quantitative and multiplicative…

This occasional paper presents national demographic subgroup data for the 1975-2019 Monitoring the Future (MTF) national survey results on 8th, 10th, and 12th graders' use of drugs, alcohol, and tobacco. The 2018 subgroup data presented in this report accompany the "Monitoring the Future National Survey Results on Drug Use: 1975-2019:…

This occasional paper presents national demographic subgroup data for the 1975-2018 Monitoring the Future (MTF) national survey results on 8th, 10th, and 12th graders' use of drugs, alcohol, and tobacco. The study covers all major classes of illicit and licit psychoactive drugs for an array of population subgroups. The trends are presented in…

Instructional time is a fundamental educational input, yet we have little causal evidence about the effect of longer school days on student achievement. This paper uses a sharp regression discontinuity design to estimate the effects of lengthening the school day for low-performing schools in Florida by exploiting an administrative cutoff for…

The "Pathway to Academic Success Project" trains teachers to improve the reading and writing abilities of English learners (ELs) who have an intermediate level of English proficiency by incorporating cognitive strategies into reading and writing instruction. This What Works Clearinghouse (WWC) intervention report, part of the WWC's…

The "Pathway to Academic Success Project" trains teachers to improve the reading and writing abilities of English learners (ELs) who have an intermediate level of English proficiency by incorporating cognitive strategies into reading and writing instruction. This What Works Clearinghouse (WWC) intervention report, part of the WWC's…

The "Pathway to Academic Success Project" trains teachers to improve the reading and writing abilities of English learners (ELs) who have an intermediate level of English proficiency by incorporating cognitive strategies into reading and writing instruction. The cognitive strategies include goal setting, tapping prior knowledge, asking…