of Education has published all of their education-related data online for re-use. Since then, the number of questions they receive has dropped, reducing work-load and costs, and the remaining questions are now also easier for civil servants to answer, because it is clear where the relevant data can be found. Open data is also making government more effective, which ultimately also reduces costs. http://opendatahandbook.org/guide/en/why-open-data/ 3
schooltip.net, 10000scholen.nl, scholenvinden.nl, and scholenkeuze.nl. • used to stimulate discussion among parents about data that they can and want to view. • help on average 50,000 parents a month in finding the right school and allows them to compare its performance. 3