Highest salary at Royal Isd in year 2016 was $120,222. Number of employees at Royal Isd in year 2016 was 327. Average annual salary was $43,950 and median salary was $48,201. Royal Isd average salary is 6 percent lower than USA average and median salary is 11 percent higher than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 3.5 percent, the median salary increased 2.1 percent.