📖 Today’s lesson
Lesson 27: Numbers into next steps.
A score distribution is a diagnosis waiting to be read: which questions failed, which misconception each failure encodes, who needs what next. The model reads patterns fast; you know the kids behind the numbers.
Why this matters: “Data-driven instruction” usually means admiring a spreadsheet. Turning item-level results into Tuesday’s reteach groups — in five minutes — is what the phrase was supposed to mean.