Unable to answer "What’s the name of this place?" – house number 70: College Grounds – https://osm.org/node/5512061324 via StreetComplete 56.1:

itslook like already set as area. 70 is the entrance in front of the crossing and the other 70 near 72  is just a place for temporary exposition but it s a part of the school too. More research needed

Attached photo(s):
https://westnordost.de/p/196222.jpg
https://westnordost.de/p/196223.jpg
https://westnordost.de/p/196224.jpg
https://westnordost.de/p/196225.jpg