Highest salary at Nixa High in year 2016 was $112,529. Number of employees at Nixa High in year 2016 was 136. Average annual salary was $49,434 and median salary was $48,533. Nixa High average salary is 5 percent higher than USA average and median salary is 12 percent higher than USA median salary. From 2015 to 2016, the median salary increased 1.0 percent.