Highest salary at Mastery School in year 2016 was $66,511. Number of employees at Mastery School in year 2016 was 18. Average annual salary was $47,437 and median salary was $46,021. Mastery School average salary is 1 percent higher than USA average and median salary is 6 percent higher than USA median salary. From 2015 to 2016, the average salary of employees at this employer increased 1.1 percent, the median salary increased 14.3 percent.