As of May 2012, the median annual salary of a high school football coach was $28,360. Factors such as the type and location of the high school can affect salaries.
According to a report from the Bureau of Labor Statistics, the top 10 percent of workers in the coaches and scouts category earned more than $65,910 per year, with the lowest 10 percent earning less than $17,210. The median wage of $28,360 was calculated based on these amounts, with the median representing the halfway point between the top half and bottom half of this salary range. Note that the report includes football scouts in these calculations.
Sites such as Salary.com provide information about average salary by occupation based on geographical location. As with many occupations, salaries may be higher in large cities. Some high school football coaches are also employed as physical education teachers, which affects salaries.