2024 No The relationships between classroom air quality and children’s performance in school https://doi.org/10.1016/j.buildenv.2020.106749 Wargocki, Pawel Multiple Countries Review Modeling Students Elementary (K-5) Middle/Jr High (6-8) High School (9-12) Carbon Dioxide (CO2) Ventilation rates Test performance Cognitive Function Absenteeism children Learning Cognitive performance Elementary schools carbon dioxide Literature review of 20 studies (15,000 students) modeled how CO₂ levels and ventilation rates affect schoolwork speed, accuracy, exam scores, and attendance. Results predict significant performance gains from improved ventilation, supporting policy to enhance classroom air standards for learning and health. 2020