If you close them, when do you reopen?
If you close them, do you also ban all gatherings?
If you close them, do you also restrict public transport?
If you close them, do you tell the entire country they can have x amount of time unpaid? And then how do you stop the eejits amongst us seeing it as a chance to pop off to Lazarote?
If you close them, do you say everyone must stay in their own home for x amount of time?
I can work at home, and do so regularly. I sometimes even have the kids at home when I do so. Can I do that long term, ie. more than a couple of days? No. The kids would need some attention in a thoroughly stressful and unsettling time. So my salary would be stopped at some point or I would have to take holiday.
You can’t just close the schools. It wouldn’t just be closing the schools. Take precautions, relax sickness rules, isolate where necessary when someone is unwell. But closing the schools achieves nothing unless it goes hand in hand with some really rather draconian measures.