The average aide salary at Kennett High was $33,071 , which is 43 percent higher than the average salary for this job in Missouri, and 2 percent higher than the national average for this job . Aide salaries at Kennett High typically range from $15,894 to $52,136 (25th to 75th percentile). The highest reported aide salary was $58,961. There are 8 employees at Kennett High with the job title aide.