The average maintenance salary at Slaton Isd was $34,650 , which is 5 percent lower than the average salary for this job in Texas, and 25 percent lower than the national average for this job . Maintenance salaries at Slaton Isd typically range from $13,244 to $55,372 (25th to 75th percentile). The highest reported maintenance salary was $81,141. There are 11 employees at Slaton Isd with the job title maintenance.