The average aide salary at Palmyra Elem. was $32,053 , which is 39 percent higher than the average salary for this job in Missouri, but 1 percent lower than the national average for this job . Aide salaries at Palmyra Elem. typically range from $16,733 to $43,429 (25th to 75th percentile). The highest reported aide salary was $50,125. There are 8 employees at Palmyra Elem. with the job title aide.