The average aide salary at Ladue Middle was $67,308 , which is 191 percent higher than the average salary for this job in Missouri, and 108 percent higher than the national average for this job . Aide salaries at Ladue Middle typically range from $54,948 to $88,370 (25th to 75th percentile). The highest reported aide salary was $93,267. There are 11 employees at Ladue Middle with the job title aide.