The average aide salary at Bolivar Middle was $37,874 , which is 64 percent higher than the average salary for this job in Missouri, and 17 percent higher than the national average for this job . Aide salaries at Bolivar Middle typically range from $20,182 to $47,999 (25th to 75th percentile). The highest reported aide salary was $57,714. There are 10 employees at Bolivar Middle with the job title aide.