administration could be tagged with service:bicycle:school=yes
It is frequent for bike shops to provide bicycle lessons. Specifically the
ones with repair services tend to have this activity. But they are not
currently identified on the map.
Mathieu
https://wiki.openstreetmap.org/wiki/Proposed_features/training%3Dbicycle
To describe the bicycle lessons often provided by shops or other bicycle
related places
This attribute could be applied to different kinds of POIs : an NGO or
public administration could provide such lessons