Performance Index
Doing the minimum? Not in Ohio, my friend. A performance index and the score distribution show achievement of all. Read More
Indicators Met
No Subject Left Behind. Learn how to highlight subject deficiencies while giving an accurate overall achievement picture. Read More
Growth and Value-Added
Learn about growth, value-added "extra" growth, and why it's tricky to set expected progress. Read More
Visualizing Value-Added
Could it be as easy as 1, 2, 3? Maybe - for the right 1, 2 and 3! See how. Read More
Value-Added: A Tale of Two Methods
The are two primary philosophies on how to compute a value-added score. We compare them on an important, overlooked goal. Read More
Value-Added in the Classroom
Value-added metrics assume near-perfect conditions since we're measuring something small (extra growth). More data may be worse. Let's...