Highest salary at Cahokia Sd 187 in year 2017 was $165,146. Number of employees at Cahokia Sd 187 in year 2017 was 259. Average annual salary was $31,913 and median salary was $32,003. Cahokia Sd 187 average salary is 32 percent lower than USA average and median salary is 26 percent lower than USA median salary.