Administrative Assistant salary at San Mateo Union High

The average administrative assistant salary at San Mateo Union High was $136,605 , which is 45 percent higher than the average salary for this job in California, and 82 percent higher than the national average for this job . Administrative Assistant salaries at San Mateo Union High typically range from $125,719 to $146,257 (25th to 75th percentile). The highest reported administrative assistant salary was $186,826. There are 10 employees at San Mateo Union High with the job title administrative assistant.