Highest salary at Winona High in year 2016 was $76,600. Number of employees at Winona High in year 2016 was 21. Average annual salary was $37,919 and median salary was $37,167. Winona High average salary is 19 percent lower than USA average and median salary is 15 percent lower than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 1.9 percent, the median salary increased 0.8 percent.