Centraal Instituut Opleiding Sportleiders is the educational institution in Netherlands.
According to PR-model, cios.nl is ranked 1,964,048th in multilingual Wikipedia, in particular this website is ranked 1,126,638th in English Wikipedia.
The website is placed before coop.gc.ca and after easylistening.blogspot.com in the BestRef global ranking of the most important sources of Wikipedia.