Service Worker salary at Mercer Island School District

The average service worker salary at Mercer Island School District was $65,605 , which is 44 percent higher than the average salary for this job in Washington, and 44 percent higher than the national average for this job . Service Worker salaries at Mercer Island School District typically range from $61,359 to $71,731 (25th to 75th percentile). The highest reported service worker salary was $103,052. There are 26 employees at Mercer Island School District with the job title service worker.