Background: The COVID-19 pandemic negatively affected adolescent mental health due to school closures, isolation, family loss/hardships, and reduced health care access. Methods: We compared adolescent mental health in Rhode Island before versus during the pandemic, separately among middle and high schoolers. This serial cross-sectional study used…

Background: As COVID-19 has let many students into remote learning environments and exacerbated inequality among marginalized individuals, there is a growing concern about Bias-Based Bullying (BBB) in online spaces among school-aged youths. Learning modality and perceived school fairness may affect youth's likelihood of reporting BBB. Methods:…

Background: Because previous studies on adolescent COVID-19 attitudes focused on intent to get vaccinated, this study examined attitudinal factors and racial/ethnic differences associated with vaccine uptake. Methods: In a cross-sectional survey of a metropolitan high school district, students were asked about their COVID-19 attitudes, information…

Background: COVID-19-disrupted schools, including shifts to virtual learning which may have impacted academic progress. This study assessed characteristics associated with changes in academic grades (before and during the pandemic) for different learning modalities for US students ages 13-19. Methods: Students (N = 2152) completed a web survey on…

Background: In 2020, schools shifted to remote learning in response to mitigating COVID-19. Since then, students have fluctuated between in-person and remote learning environments. Changes to instructional models raise questions about the impact on health. Methods: This study leveraged a statewide surveillance system (Healthy Kids Colorado Survey)…

Background: Adolescents' school engagement, mental health, and substance use have been major concerns during the COVID-19 pandemic, particularly given disruptions to school instruction. We examined how the instructional setting was associated with academic and health-related outcomes within an adolescent cohort followed during the pandemic.…

Background: Many schools transitioned online to reduce viral spread and promote social distancing amid the COVID-19 pandemic. Remote learning may impact health behaviors and coping strategies among adolescents, including reduced physical activity and increased screen time. Social media and peers provide information about the pandemic to…

Background: This study examines the consequences of COVID-19 pandemic on academic and career concerns of high school students; relationship between attendance and grades with educational concerns; and association between student perception of the pandemic and decision to attend school virtually or in-person. Methods: Diverse students in grades…

Background: Concerns have been raised about the consequences of the COVID-19 pandemic on the mental health of adolescents during an important developmental and social period in their lives. This study examines the mental health impact of the pandemic on high school students shortly after closure of public schools in spring 2020, and whether this…