The average custodial salary at Elkhart Isd was $20,954 , which is 20 percent lower than the average salary for this job in Texas, and 36 percent lower than the national average for this job . Custodial salaries at Elkhart Isd typically range from $20,270 to $22,964 (25th to 75th percentile). The highest reported custodial salary was $25,636. There are 15 employees at Elkhart Isd with the job title custodial.