The average custodial salary at Jarrell Isd was $21,773 , which is 17 percent lower than the average salary for this job in Texas, and 34 percent lower than the national average for this job . Custodial salaries at Jarrell Isd typically range from $18,900 to $22,352 (25th to 75th percentile). The highest reported custodial salary was $45,650. There are 13 employees at Jarrell Isd with the job title custodial.