Highest salary at Mchenry Ccsd 15 in year 2017 was $265,000. Number of employees at Mchenry Ccsd 15 in year 2017 was 446. Average annual salary was $60,817 and median salary was $68,706. Mchenry Ccsd 15 average salary is 30 percent higher than USA average and median salary is 58 percent higher than USA median salary. From 2016 to 2017, the average salary of employees at this employer increased 1.3 percent, the median salary increased 3.4 percent.