As of 2015, the average salary for an educational diagnostician in the United States was $52,867 per year, according to statistics gathered by PayScale. Salaries ranged from $43,025 to $68,402, including possible annual bonuses close to $3,000.
These figures also closely match the average of $55,060 that special education teachers — which many educational diagnosticians classify as — make per year, according to the U.S. Department of Labor Bureau of Labor Statistics. In general, the more education and work experience candidates have, the higher their salary requests can be. Those just entering the field can expect to make at or just under $50,000 a year, depending on area.