The average custodial salary at Friona Isd was $24,479 , which is 7 percent lower than the average salary for this job in Texas, and 26 percent lower than the national average for this job . Custodial salaries at Friona Isd typically range from $20,511 to $23,591 (25th to 75th percentile). The highest reported custodial salary was $48,567. There are 14 employees at Friona Isd with the job title custodial.