Principal salary at Mark Twain Es

The average principal salary at Mark Twain Es was $70,276 , which is 22 percent higher than the average salary for this job in Oklahoma, but 40 percent lower than the national average for this job . Principal salaries at Mark Twain Es typically range from $62,705 to $80,971 (25th to 75th percentile). The highest reported principal salary was $80,971. There are 3 employees at Mark Twain Es with the job title principal.