Two candidates have filed so far to fill an unexpired at-large seat on the O’Donnell school board.Travis Walters and Blandon Hancock have filed their paperwork to be on the ballot in the Nov. 8 special election.Candidates began filing Aug. 17. They have until Thursday to fill out the application for a spot on the fall ballot.School board members made the decision to call for the election during a special Aug. 16 board meeting.Former board member Melissa Pedroza stepped down from office in June after only a few months in office.“She had just gotten elected in May,” said school superintendent Dr.