The average custodial salary at Jasper Isd was $26,792 , which is 2 percent higher than the average salary for this job in Texas, but 19 percent lower than the national average for this job . Custodial salaries at Jasper Isd typically range from $21,019 to $28,579 (25th to 75th percentile). The highest reported custodial salary was $50,421. There are 24 employees at Jasper Isd with the job title custodial.