I am looking for recommendations on how to compare our departments. We use our KPI's to compare our maintenance department with other school systems, but internally we have 10 sub departments (electrical, plumbing, etc...). I would like to show how they compare with each other, but I am not sure what criteria to use. I also need to be able to take into account the number of people in the sub departments (example X number of electricians VS Y number of plumbers) to make it a fair comparison. What are other school systems doing? What do you recommend?