The average aide salary at Cuba Elem. was $40,923 , which is 77 percent higher than the average salary for this job in Missouri, and 27 percent higher than the national average for this job . Aide salaries at Cuba Elem. typically range from $33,682 to $48,032 (25th to 75th percentile). The highest reported aide salary was $54,232. There are 7 employees at Cuba Elem. with the job title aide.