Highest salary at Colby Sch Dist in year 2017 was $119,119. Number of employees at Colby Sch Dist in year 2017 was 79. Average annual salary was $47,349 and median salary was $47,293. Colby Sch Dist average salary is 1 percent higher than USA average and median salary is 9 percent higher than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 4.2 percent, the median salary increased 2.4 percent.