Following the Schrems II ruling, the CNIL was invited by the Conference of University Presidents and the Conference of Large Schools to comment on the use of “collaborative sets for education” offered by US companies.

In view of the risk of illegal access to data, the CNIL calls for changes in the use of these tools and will help the organizations concerned to identify possible alternatives.

https://www.cnil.fr/fr/la-cnil-appelle-evolutions-dans-utilisation-outils-collaboratifs-etatsuniens-enseignement-superieur-recherche?s=09

Incidentally, the French government officially supports the use of free software in schools: https://apps.education.fr