The average aide salary at Fox Elem. was $40,225 , which is 74 percent higher than the average salary for this job in Missouri, and 24 percent higher than the national average for this job . Aide salaries at Fox Elem. typically range from $20,422 to $51,885 (25th to 75th percentile). The highest reported aide salary was $69,286. There are 13 employees at Fox Elem. with the job title aide.