You might be interested in the Lynda.com course:
Teaching Fundamentals: Data-Driven Instruction
with Riyaz Gayasaddin” where I grabbed this screen shot.
Here is a link that will work great for Stony Brook University faculty: http://www.lynda.com/Excel-tutorials/Teaching-Fundamentals-Data-Driven-Instruction/173755-2.html?org=stonybrook.edu
Exercise files include a great mastery spreadsheet template.
Also… have you used Item Analysis in Blackboard?? It is very very helpful: