This paper reports a cross-sectional study examining psychological well-being (PWB) among secondary schoolstudents in Lucknow during high-stakes academic board years (Grades 10 and 12). Key predictors examined includeacademic stress, perceived social support, and sleep.Note: The dataset included in this manuscript is simulated for demonstration and manuscript preparation purposesonly. Replace simulated data with real collected data from Lucknow schools before submission. The manuscriptprovides methods, analyses, figures, and references formatted for publication.