Assistant Principal - High School salary at South Plainfield Boro

The average assistant principal - high school salary at South Plainfield Boro was $118,116 , which is 2 percent higher than the average salary for this job in New Jersey, and 14 percent higher than the national average for this job . Assistant Principal - High School salaries at South Plainfield Boro typically range from $108,453 to $125,895 (25th to 75th percentile). The highest reported assistant principal - high school salary was $125,895. There are 3 employees at South Plainfield Boro with the job title assistant principal - high school.