This study exploited the abrupt interruption to schooling at the onset of the COVID-19 pandemic to examine how remote and hybrid learning models impacted English language acquisition among Multilingual Learner (MLL) students in the state of Delaware. MLL students are a growing sector of the public school population, and existing research suggests…

Despite the ever-increasing number of online professional development (OPD) programs, relatively few studies have been conducted to examine the efficacy of such programs for teachers and students. This manuscript presents findings from an impact study of OPD courses in fractions, algebraic thinking, and measurement on 79 fifth grade teachers'…

America's K-12 education system faces three significant challenges: (1) increased global demands for skilled workers; (2) significant financial shortfalls; and (3) a looming teacher shortage. Independently, these factors present significant challenges for U.S. schools. In combination, they create a national imperative for swift action to create a…