Background/Context: Despite the surge in efficacy studies, a recent meta-analysis indicates that the relative effectiveness of any two math interventions is largely unknown (Nelson & McMaster, 2019). Additionally, policy makers rarely choose educational programs based on an assessment of costs and cost-effectiveness (Hollands et al., 2016;…

This study looks at the impact of a cost-effective professional development model in which teaching artists helped early elementary teachers master arts-based strategies for boosting the oral language development of English-language learners (ELLs). Teaching artists visited K-2 classrooms for 50 minutes weekly for 28 weeks. Student scores on the…

The purpose of the study was to conduct a comprehensive review of the research and best practices of exemplary elementary school World Language and Culture Programs. Specifically, (1) to assess the degree to which various program designs had most closely met the measurable goals of the American Council of Teachers of a Foreign Language, commonly…