Assistant Superintendent salary at Ontario-Montclair

The average assistant superintendent salary at Ontario-Montclair was $264,618 , which is 9 percent higher than the average salary for this job in California, and 91 percent higher than the national average for this job . Assistant Superintendent salaries at Ontario-Montclair typically range from $240,618 to $288,618 (25th to 75th percentile). The highest reported assistant superintendent salary was $288,618. There are 2 employees at Ontario-Montclair with the job title assistant superintendent.