The average aide salary at Houston High was $29,183 , which is 26 percent higher than the average salary for this job in Missouri, but 10 percent lower than the national average for this job . Aide salaries at Houston High typically range from $21,666 to $34,025 (25th to 75th percentile). The highest reported aide salary was $53,176. There are 11 employees at Houston High with the job title aide.