2019 Yes https://doi.org/10.3390/en12122414 Chung, Sung-Chin Asia Modeling Students Elementary (K-5) Middle/Jr High (6-8) High School (9-12) Ventilation rates Odor Other Natural ventilation Air environment School restroom Awning window CFD Using CFD modeling, this study assessed natural ventilation performance of awning window configurations in K-12 school restrooms. Findings support optimized window design to improve air quality and hygiene in aging public school facilities.