MARION — Marion Independent School District voters approved a $31 million bond issue Tuesday, enabling the district to move forward on a facilities plan that includes building a new elementary school, auditorium and outdoor activities complex at Marion High School and making repairs to other district buildings. The measure passed with 84.6 percent of the vote — 1,312 in favor of the bond and 238 opposed.The measure needed a supermajority of 60 percent support to pass.