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Charter Schools Do Better On Standardized Tests: One of Rheeism’s Many Lies

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Gary Rubinstein does some number crunching from New York school test report that showed declining scores and what he finds exposes more Rheeism lies:

In the Stephanie Simon report she mentions that KIPP Star and Democracy Prep hadn’t done so well with their proficiency rate, but she doesn’t mention how far they had dropped. Out of over 500 schools, which includes about 35 charter schools, of the one hundred largest drops, 22 were charter schools.

The most stunning example is the famed Harlem Village Academy which had 100% passing in 2012, but only 21% passing in 2013 for a 79% drop (you can see that sad dot all the way at the right of the scatter plot). Democracy Prep Harlem Charter, run and staffed by many TFAers, dropped 84% in 2012 to 13% in 2013. KIPP Amp dropped from 79% in 2012 to just 9% in 2013. The Equity Project (TEP) which pays $125,000 for the best teachers had finally gotten some test scores they can brag about with 76% in 2012, but that has now sunk to just 20% in 2013. The Bronx Charter School Of Excellence, which recently received money from a $4.5 million grant to help public schools emulate what they do, dropped from 96% in 2012 to 33% in 2013. So these are the schools that are the red ‘outliers’ hovering near the bottom right of the scatter plot. In general, the average charter school went down by 51 percentage points compared to 34 percentage points for the average public school. The most plausible explanation for charters dropping so much more than public schools is that their test prep methods were not sufficient for the more difficult tests. In other words “you’re busted.”

I just don’t see how the ‘reformers’ can reconcile these statistics with their statement that these lower scores are a good thing since we are now being honest about where we stand. The low scores in general do not decisively prove anything. The cutoff scores for passing were an arbitrary choice by some politicians in Albany. But the evidence that charters are certainly not working the miracles they claim is very clear from this data.

Ouch. It’s all about the data for education reformers, right? Well the data suggests that the promises reformers tell about charter schools aren’t coming true.

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