The average security salary at Red Oak Isd was $59,142 , which is 22 percent lower than the average salary for this job in Texas, and 8 percent lower than the national average for this job . Security salaries at Red Oak Isd typically range from $52,348 to $60,382 (25th to 75th percentile). The highest reported security salary was $117,205. There are 13 employees at Red Oak Isd with the job title security.