Are schools in Shanghai closed only Sept 13-15 for Mid Autumn Festival this year? Or 1 week closed?

Yes, school will close for Mid autumn festival holiday during September 13-15. The National Day holiday will last for a week.

Schools are closed only for 1 day for mid autumn festival. However, sometimes if the official day is followed by a sunday, it becomes 2 days. In 2019, mid autumn official holiday is on 13 September - a friday. on saturday 14 September, most schools are open, and on 15 Sept sunday schools are closed. Holidays in schools in Shanghai, beijing, Guangdong are all on teh same day - there is no local holiday (except for when there is a local calamity like a typhoon).