The average custodial salary at Waco Isd was $23,100 , which is 12 percent lower than the average salary for this job in Texas, and 30 percent lower than the national average for this job . Custodial salaries at Waco Isd typically range from $19,200 to $25,562 (25th to 75th percentile). The highest reported custodial salary was $63,347. There are 134 employees at Waco Isd with the job title custodial.