Assistant Principal salary at Trinity Isd

The average assistant principal salary at Trinity Isd was $69,474 , which is 15 percent lower than the average salary for this job in Texas, and 28 percent lower than the national average for this job . Assistant Principal salaries at Trinity Isd typically range from $67,389 to $73,502 (25th to 75th percentile). The highest reported assistant principal salary was $80,340. There are 6 employees at Trinity Isd with the job title assistant principal.