The board of school directors of any such school district shall give notice, during at least thirty days, by weekly advertisements in newspapers, not exceeding three, in the district, and, if no newspaper be published therein, then by at least twenty printed handbills posted in public places in said district, of an election to be held at the place or places of holding the municipal elections on a day to be by them fixed. Such notices shall state:
A certified copy of the resolution hereinbefore required and of the above notice shall be filed in the office of the clerk of the court of quarter sessions.
24 P.S. § 652