Highest salary at Hollis Csd 328 in year 2016 was $72,734. Number of employees at Hollis Csd 328 in year 2016 was 23. Average annual salary was $28,918 and median salary was $38,784. Hollis Csd 328 average salary is 38 percent lower than USA average and median salary is 11 percent lower than USA median salary. From 2015 to 2016, the median salary increased 8.8 percent.