Highest salary at Grove Charter in year 2018 was $104,104. Number of employees at Grove Charter in year 2018 was 18. Average annual salary was $50,695 and median salary was $52,456. Grove Charter average salary is 8 percent higher than USA average and median salary is 21 percent higher than USA median salary. From 2017 to 2018, the average salary of employees at this employer increased 23.0 percent, the median salary increased 4.4 percent.