SAGO is placed in Germany founded in 1989 by Christof Stählin.
According to PR-model, sago-schule.de is ranked 2,890,204th in multilingual Wikipedia, in particular this website is ranked 423,088th in German Wikipedia.
The website is placed before medienkultur-stuttgart.de and after piusverband.lu in the BestRef global ranking of the most important sources of Wikipedia.