Math Interventionist salary at Grand Isle Supervisory Union

The average math interventionist salary at Grand Isle Supervisory Union was $50,498 , which is 22 percent lower than the average salary for this job in Vermont, and 20 percent lower than the national average for this job . Math Interventionist salaries at Grand Isle Supervisory Union typically range from $46,175 to $54,820 (25th to 75th percentile). The highest reported math interventionist salary was $54,820. There are 2 employees at Grand Isle Supervisory Union with the job title math interventionist.