Sunday, September 13, 2015, from 12 noon to 4:00pm.  The HCGM École Socrates-Démosthène is taking part in the 7th Annual Montreal Private School Expo, which will take place at Centre Mont-Royal, 2200 Mansfield, Montreal.  For families concerned about the education of their children, this is an event not to be missed.  Tuesday, September 15, 2015,…