Aide salary at Mercer Island School District

The average aide salary at Mercer Island School District was $40,474 , which is 22 percent higher than the average salary for this job in Washington, and 25 percent higher than the national average for this job . Aide salaries at Mercer Island School District typically range from $35,723 to $45,502 (25th to 75th percentile). The highest reported aide salary was $64,974. There are 93 employees at Mercer Island School District with the job title aide.