Assistant Principal salary at Baltimore County Public Schools

The average assistant principal salary at Baltimore County Public Schools was $130,887 , which is 5 percent higher than the average salary for this job in Maryland, and 35 percent higher than the national average for this job . Assistant Principal salaries at Baltimore County Public Schools typically range from $116,426 to $141,926 (25th to 75th percentile). The highest reported assistant principal salary was $186,510. There are 296 employees at Baltimore County Public Schools with the job title assistant principal.