The average aide salary at Cassville High was $37,364 , which is 62 percent higher than the average salary for this job in Missouri, and 16 percent higher than the national average for this job . Aide salaries at Cassville High typically range from $11,298 to $45,700 (25th to 75th percentile). The highest reported aide salary was $64,100. There are 8 employees at Cassville High with the job title aide.