The average aide salary at Oak Grove High was $36,401 , which is 57 percent higher than the average salary for this job in Missouri, and 13 percent higher than the national average for this job . Aide salaries at Oak Grove High typically range from $25,860 to $41,500 (25th to 75th percentile). The highest reported aide salary was $58,800. There are 11 employees at Oak Grove High with the job title aide.