The average teacher salary at Royal Isd was $55,542 , which is 13 percent lower than the average salary for this job in Texas, and 15 percent lower than the national average for this job . Teacher salaries at Royal Isd typically range from $50,787 to $58,653 (25th to 75th percentile). The highest reported teacher salary was $85,582. There are 183 employees at Royal Isd with the job title teacher.