The average aide salary at Clayton High was $63,584 , which is 175 percent higher than the average salary for this job in Missouri, and 97 percent higher than the national average for this job . Aide salaries at Clayton High typically range from $31,726 to $97,519 (25th to 75th percentile). The highest reported aide salary was $100,652. There are 7 employees at Clayton High with the job title aide.