Highest salary at Frost Isd in year 2017 was $99,120. Number of employees at Frost Isd in year 2017 was 72. Average annual salary was $38,476 and median salary was $38,972. Frost Isd average salary is 18 percent lower than USA average and median salary is 10 percent lower than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 8.7 percent, the median salary increased 15.0 percent.