The average custodial salary at Dickinson Isd was $24,872 , which is 5 percent lower than the average salary for this job in Texas, and 25 percent lower than the national average for this job . Custodial salaries at Dickinson Isd typically range from $19,553 to $24,691 (25th to 75th percentile). The highest reported custodial salary was $86,706. There are 82 employees at Dickinson Isd with the job title custodial.