(IMAGE) Complexity Science Hub Vienna Caption The image on the right shos a primary school with afternoon daycare (8 classes, 19 pupils each, 16 teachers + respective family members). On the right is a typical secondary school (28 classes with 24 children each, 70 teachers + respective family members) Credit The authors of the study Usage Restrictions Can be used when journal and paper is named. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.