Hi Torsten,

I know GNU Dr. Geo was/is used in Ceibal educational plan in Uruguay.

Beside this video[1], I don't have much insight and I have no idea about daily school situation though.

Hilaire

[1] https://gforge.inria.fr/frs/download.php/file/27507/Aprendiendo-con-Ceibal-Geometria-con-DrGeo.flv

how Free Software can help to export wealth and knowledge to
development country in order to empower them.

-- 
GNU Dr. Geo
http://drgeo.eu