The average aide salary at Butler Elem. was $37,900 , which is 64 percent higher than the average salary for this job in Missouri, and 17 percent higher than the national average for this job . Aide salaries at Butler Elem. typically range from $36,650 to $38,650 (25th to 75th percentile). The highest reported aide salary was $44,950. There are 5 employees at Butler Elem. with the job title aide.