The average teacher salary at Nixa High was $43,261 , which is 25 percent lower than the average salary for this job in Missouri, and 34 percent lower than the national average for this job . Teacher salaries at Nixa High typically range from $34,438 to $50,988 (25th to 75th percentile). The highest reported teacher salary was $114,780. There are 86 employees at Nixa High with the job title teacher.