Our computation of US News Step 1 PI values for sampled schools
On the left you will find the PI value using 2012-13 actual NYS proficiency data. Beneath it you will find what US News claims is the PI value. On the right, we compute the PI with the numbers that US News posts for schools. Notice that it still does not match their computed PI.USNewsCorrectedPIforAnswersheet
Round the Inkwell 
One Response to “Our computation of US News Step 1 PI values for sampled schools”
[…] The percentage of economically disadvantaged students is important because that gives schools a “boost” later on in the formula, and also serves as another gate. The spreadsheet with the analysis that produced the above can be found here. […]