« All Events This event has passed. Labor Day Holiday September 4 @ 8:00 am - 4:00 pm « First Day of School for Students Early Dismissal » All schools and administrative offices are closed. Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: September 4 Time: 8:00 am - 4:00 pm Event Category: All Schools Venue The Watson Institute 301 Camp Meeting Road Sewickley, 15413 United States + Google Map