The average aide salary at Forsyth Elem. was $29,609 , which is 28 percent higher than the average salary for this job in Missouri, but 8 percent lower than the national average for this job . Aide salaries at Forsyth Elem. typically range from $12,376 to $48,493 (25th to 75th percentile). The highest reported aide salary was $48,493. There are 3 employees at Forsyth Elem. with the job title aide.