Power Law, Bell Curves and 100%

In 2014 all students could read and do math.  Fact.  That's what the No Child Left Behind (NCLB) law promised.  100%! No, in reality, we fell short.  We did as well as law enforcement solved the crime problem--our focus got better (standards!  Common Core!), we used new tools (statistics!) and the numbers went down.  It... Continue Reading →


Evaluating a Program With Minimal Data Points: Step 3: Where in the Year is the Gain?

Now we are getting to the meat of the sandwich! Why Precise Accountability Is Important Just because a student is learning does not mean a teacher is teaching. Can we take credit for success?  Or failure?  We need to know the effectiveness of our program if we hope to increase that effectiveness.  What, for example,... Continue Reading →

DRP as an Indicator Of….

When I arrived at my current school a decade ago, there was no definitive measure of a student's ability to read.  That may be hard to conceive in this data-drives-instruction landscape (although in education you can find plenty of instances where a lot of data will not tell you the most basic things about students),... Continue Reading →

Too Many Cooks

I whipped this together while watching football. . And if you'd like a gentle poke in the ribs and good procedural mystery, try this: Absentee List: An Old Horse Mystery

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