The average nurse salary at Tustin Unified was $110,511 , which is 8 percent lower than the average salary for this job in California, but 46 percent higher than the national average for this job . Nurse salaries at Tustin Unified typically range from $89,695 to $140,085 (25th to 75th percentile). The highest reported nurse salary was $182,676. There are 13 employees at Tustin Unified with the job title nurse.