Highest salary at River School in year 2023 was $115,677. Number of employees at River School in year 2023 was 12. Average annual salary was $32,949 and median salary was $25,526. River School average salary is 30 percent lower than USA average and median salary is 41 percent lower than USA median salary. From 2022 to 2023, the average salary of employees at this employer increased 6.6 percent.