The average teacher salary at Denton Isd was $56,989 , which is 11 percent lower than the average salary for this job in Texas, and 13 percent lower than the national average for this job . Teacher salaries at Denton Isd typically range from $53,725 to $59,125 (25th to 75th percentile). The highest reported teacher salary was $108,259. There are 2,223 employees at Denton Isd with the job title teacher.