Assistant Principal - High School salary at Middletown Twp

The average assistant principal - high school salary at Middletown Twp was $109,631 , which is 6 percent lower than the average salary for this job in New Jersey, but 6 percent higher than the national average for this job . Assistant Principal - High School salaries at Middletown Twp typically range from $97,252 to $117,924 (25th to 75th percentile). The highest reported assistant principal - high school salary was $145,594. There are 10 employees at Middletown Twp with the job title assistant principal - high school.