Highest salary at West Islip Ufsd in year 2017 was $151,443. Number of employees at West Islip Ufsd in year 2017 was 326. Average annual salary was $32,901 and median salary was $22,639. West Islip Ufsd average salary is 30 percent lower than USA average and median salary is 48 percent lower than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 2.6 percent, the median salary increased 1.3 percent.