2023 Yes https://pubs.asha.org/doi/10.1044/2022_LSHSS-21-00181 Murga, Silvia North America Europe Asia Australia South America Review Students Elementary (K-5) Middle/Jr High (6-8) High School (9-12) After identifying the parameters and tests used to quantify the intelligibility of speech, the speech intelligibility scores were analyzed in relation with acoustical parameters found in the articles, particularly signal-to-noise ratio and speech transmission index. Our results highlighted the negative effect on intelligibility associated with poor transmission of the speech and poor classroom acoustics caused by long reverberation times and high background noise.