The average aide salary at Rolla Middle was $45,511 , which is 97 percent higher than the average salary for this job in Missouri, and 41 percent higher than the national average for this job . Aide salaries at Rolla Middle typically range from $19,071 to $60,485 (25th to 75th percentile). The highest reported aide salary was $69,385. There are 13 employees at Rolla Middle with the job title aide.