This special issue highlights biracial/multiracial/multiethnic early adolescents as a fast-growing demographic warranting greater inclusion in developmental research. We address several likely barriers to inclusion related to the conceptualization and measurement of biracial/multiracial/multiethnic status and offer recommendations for including…

In the present research, the influence of racial diversity among classmates and friends on changes in racial self-identification among multiracial youth was examined (n = 5,209; M[subscript age] = 10.56 years at the beginning of sixth grade). A novel individual-level measure of diversity among classmates based on participants' course schedules was…

A positive school climate is strongly associated with enhanced student outcomes. With the disengagement of Black and Latinx youth living in poverty being at an all-time high, participation in sport-based youth development (SBYD) programs may enhance school climate, while capitalizing on existing interests. Purpose: The purpose of this study was to…

Background: We compared moderate-to-vigorous intensity physical activity (MVPA) and inactivity levels among fifth and sixth graders during school hours according to school-level race/ethnicity and income attributes to inform school-based obesity interventions in Illinois Suburban Cook County (SCC). Methods: Fifth- and sixth-grade students…

This longitudinal study examined the outcomes of Project Excite on reducing minority students' achievement gaps in STEM over 14 years. Project Excite was designed to provide intensive supplemental enrichment and accelerated programming for high-potential, underrepresented minority students from third through eighth grades to better prepare them…

Background: Changing demographics in societies through international migration have led to an increasing number of bi-ethnic individuals. The focus of this study is on bi-ethnic students with one parent with an ethnic majority background and one parent with an ethnic minority background. Most studies worldwide have grouped these bi-ethnic students…