2024 Yes Classroom Temperature and Learner Absenteeism in Public Primary Schools in the Eastern Cape, South Africa https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34682446/ Pule, Vicky Africa Observational Students Elementary (K-5) Temperature Humidity Absenteeism Climate change Cold Environmental health Heat Public health Humidity Schoolchildren This yearlong study in South African classrooms found learner absenteeism peaked at low indoor apparent temperatures (<15 °C), suggesting thermal discomfort may affect school attendance. Findings support integrating thermal design into school planning. 2021