Background: We aimed to characterize relationships between delayed high school start time policy, which is known to lengthen school night sleep duration, and patterns in activity outcomes: physical activity, non-school electronic screen time (non-schoolwork), and sports and extracurricular activity among adolescents. Methods: We used data from the…

Background: Schools play a vital role in student health, and a collaborative approach may affect health factors such as physical activity (PA) and nutrition. There is a lack of recent literature synthesizing collaborative approaches in K-12 settings. We present updated evidence about interventions that used a coordinated school health approach to…

Background: Previous research on the correlates of unintentional school injuries is based on either process or cross-sectional data. This study aims at approaching the causal effects of risk-seeking behavior, mental health problems, physical activity, and exposure to bullying on unintentional injuries in the school environment by relying on…

Background: Despite recent tobacco control efforts, adolescent vaping remains an epidemic in the United States. The purpose of our study was to understand high school student vaping behaviors using the perceptions of Massachusetts school personnel during the critical window from when the Massachusetts statewide flavor ban legislation was passed in…

Background: Universal, classroom-based mental health literacy (MHL) curricula are associated with improved mental health knowledge, attitudes, and help-seeking behaviors. Young adolescents are an ideal target given their need for and receptivity toward MHL education. Methods: We conducted a scoping review to identify universal, school-based MHL…

Background: Bullying and poverty are each associated with poor health in adolescents. We examined socioeconomic differences in the association of bullying and health. Methods: The 2017/2018 Canadian Health Behaviour of School-aged Children study surveyed 21,750 youth (9-18 years). We used linear regression models to investigate interactive effects…

Background: We introduce the Whole School, Whole Community, Whole Child approach to supporting student and school staff physical activity and nutrition and describe the methods used to generate the evidence synthesized across the special issue articles. Methods: A 2-phase literature review search included a search of systematic reviews (2010-2018)…

Background: Few studies document milk selection and waste among high school lunch programs. Methods: This observational research assesses the types of milk selected and wasted among 5 Montana high school lunch programs. Over 6 days across the 2014-2015 school year, 3842 milk cartons were collected. Direct weighing was used to assess the ounces of…

Background: Recess provides many physical, mental, and social benefits for students; however, the most recent systematic review examining the benefits of recess was conducted over a decade ago. The purpose of this paper was to determine the current benefits of school recess by conducting an updated systematic review of the literature. Methods:…

Background: Physical activity is beneficial to physical, social, and emotional well-being, and schools are required to provide opportunities to engage in physical activity. While physical education and school sport have been extensively researched, little is known about the value of informal, unstructured, exercise opportunities. Methods: This…

Background: Studies show that food insecurity is associated with adverse health behaviors for children and adults. However, published data among adolescents are limited. The objective of this study was to examine the association between food insecurity and substance use behaviors among US high school students. Methods: Data from the 2017 Youth…

Background: It is estimated that approximately 90% of children in foster care have experienced a traumatic event, with nearly half reporting exposure to 4 or more types of traumatic events. Educators must remain alert to indicators suggesting a history of trauma and understand the difficulties foster youth may face regulating their emotions and…

Background: Social-emotional learning (SEL) and physical activity (PA) are beneficial for adolescent development. This review aims to describe educational programs that promote SEL and PA simultaneously among adolescents. Methods: A search was conducted using electronic databases in 2023 (eg, PubMed, Web of Science, PsycINFO, ERIC) eliciting 5226…

Background: Top public health experts and organizations strongly recommend universal masking for children older than 2 years old during the COVID-19 pandemic, but speculate it may be difficult for young children. This study sought to assess the usage of cloth face masks in grades pre-K-2 and identify associated characteristics and adverse events.…

Background: There is evidence of school-level variability in children's active behaviors. This study investigated the associations between school environments, policies and practices, and children's physical activity (PA) and active school transportation (AST), in a school ecology context. Methods: We recruited children (N = 1699, age = 10.2 ± 1.0…