The National government and the government of the Province of Buenos Aires that control the ¿20? satellite cities [1] (with a total of x3 more population than the city) disagree, so they closed the schools.
After some time, the city closed some the classes of the oldest kids, and the province opened the classes of the smallest kids. And perhaps both made additional opening and closing, I lost track now. (If you have some spare popcorn and can read Spanish or are fine with an autotranslation, you can use Google to get more info. It's heavily politicized, so take each news source with a grain of salt.)
Anyway, ... it's not so clear how much is the spread rate in schools, and it's also not clear that they are using the correct coefficient in the model in this game. My guess is that we will need like 10-20 years to get an accurate model, and meanwhile we should try to make some educated guest.
I think the model in this game is accurate enough to decide between schools and business in real life, but it's useful to get an intuitive feeling of other stuff, like that you should not wait until the hospitals are at 100% of capacity to start a lockdown.