The average custodial salary at Waskom Isd was $14,984 , which is 43 percent lower than the average salary for this job in Texas, and 55 percent lower than the national average for this job . Custodial salaries at Waskom Isd typically range from $14,220 to $15,429 (25th to 75th percentile). The highest reported custodial salary was $16,724. There are 10 employees at Waskom Isd with the job title custodial.