Supplementary Instruction salary at Mountainside Boro

The average supplementary instruction salary at Mountainside Boro was $87,807 , which is 32 percent higher than the average salary for this job in New Jersey, and 32 percent higher than the national average for this job . Supplementary Instruction salaries at Mountainside Boro typically range from $85,282 to $91,382 (25th to 75th percentile). The highest reported supplementary instruction salary was $91,382. There are 3 employees at Mountainside Boro with the job title supplementary instruction.