The average aide salary at West Middle was $57,058 , which is 147 percent higher than the average salary for this job in Missouri, and 76 percent higher than the national average for this job . Aide salaries at West Middle typically range from $45,800 to $66,958 (25th to 75th percentile). The highest reported aide salary was $99,640. There are 13 employees at West Middle with the job title aide.