The average custodial salary at Central Isd was $26,565 , which is 1 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 Central Isd typically range from $22,358 to $27,628 (25th to 75th percentile). The highest reported custodial salary was $51,500. There are 17 employees at Central Isd with the job title custodial.