A teacher shortage has the Elgin Independent School District pursuing a number of strategies to close the gap, which mirrors a nationwide trend.The school district has about 50 staff vacancies out of 834 positions, said spokesman Marcial Guajardo, who added the situation is no different from hundreds of other U.S. school systems where educators are resigning faster than spots can be filled.Elgin ISD officials are offering competitive salaries, creating a career path for teachers’ aides to get their certification and even recruiting from overseas, officials said.Being an educator is like answering a higher calling, but the job can still be ...