The average teacher salary at Somerset Isd was $54,766 , which is 14 percent lower than the average salary for this job in Texas, and 16 percent lower than the national average for this job . Teacher salaries at Somerset Isd typically range from $49,250 to $58,379 (25th to 75th percentile). The highest reported teacher salary was $141,168. There are 278 employees at Somerset Isd with the job title teacher.