This study reports the results of a randomized controlled experiment in the Netherlands that was conducted in 2005 to examine if a Weekend School did positively affect perceived competences. For this purpose, 216 Dutch 7thgraders (aged 10/11) were randomly assigned to a Weekend School program...

Policies that aim at improving student achievement frequently increase instructional time, for example by means of an extended day program. There is, however, hardly any evidence that these programs are effective, and the few studies that allow causal inference indicate that we should expect...