An election held under Title 22, Subtitle 4 of the State Government Article shall be held: In each school facility where public employees are assigned on a regularly scheduled school day; In a manner assuring the secrecy of the ballot; and On a regular working day for public school employees, between June 1 and June 15, inclusive, except in Baltimore City where the elections shall be held between November 1 and November 15 following the date on which certification of required membership enrollment is made. The public school employer shall provide any assistance required in holding the elections.