The average teacher salary at Duke Es was $4,056 , which is 90 percent lower than the average salary for this job in Oklahoma, and 94 percent lower than the national average for this job . Teacher salaries at Duke Es typically range from $2,000 to $5,018 (25th to 75th percentile). The highest reported teacher salary was $9,375. There are 23 employees at Duke Es with the job title teacher.