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: