The average teacher salary at Delta High was $34,440 , which is 40 percent lower than the average salary for this job in Missouri, and 47 percent lower than the national average for this job . Teacher salaries at Delta High typically range from $24,510 to $44,020 (25th to 75th percentile). The highest reported teacher salary was $70,835. There are 13 employees at Delta High with the job title teacher.