The average aide salary at Benton High was $55,108 , which is 138 percent higher than the average salary for this job in Missouri, and 70 percent higher than the national average for this job . Aide salaries at Benton High typically range from $30,639 to $72,582 (25th to 75th percentile). The highest reported aide salary was $111,745. There are 8 employees at Benton High with the job title aide.