Assistant Principal salary at Galveston Isd

The average assistant principal salary at Galveston Isd was $71,402 , which is 13 percent lower than the average salary for this job in Texas, and 26 percent lower than the national average for this job . Assistant Principal salaries at Galveston Isd typically range from $63,531 to $81,185 (25th to 75th percentile). The highest reported assistant principal salary was $100,428. There are 13 employees at Galveston Isd with the job title assistant principal.