The average security salary at Dallas Isd was $85,383 , which is 12 percent higher than the average salary for this job in Texas, and 33 percent higher than the national average for this job . Security salaries at Dallas Isd typically range from $68,736 to $100,100 (25th to 75th percentile). The highest reported security salary was $181,049. There are 15 employees at Dallas Isd with the job title security.