Instructional Assistant salary at Ontario-Montclair

The average instructional assistant salary at Ontario-Montclair was $42,568 , which is 25 percent higher than the average salary for this job in California, and 102 percent higher than the national average for this job . Instructional Assistant salaries at Ontario-Montclair typically range from $32,895 to $51,203 (25th to 75th percentile). The highest reported instructional assistant salary was $71,579. There are 112 employees at Ontario-Montclair with the job title instructional assistant.