school

292 posts
How online school ratings are flawed

Standardized ratings are a challenge, because they often try to encapsulate many variables into a single variable. On the upside, a single score is quick and easy to see, but on the downside, variance goes into hiding and people/things that don’t fit a defined standard get dinged. Vox looks at these challenges in the context of online school ratings. Tags: ratings, school, Vox

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School diversity visualized with moving bubbles

The Washington Post visualized 13,000 school districts to show the change in diversity between 1995 and 2017. Each bubble represents a district and the size represents number of students. The bubbles transition to diverse, undiverse, and extremely undiverse. It’s an important topic and worth the read. But right now, all I can think about is that I need to up my moving bubble game. Tags: diversity, school, Washington Post

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Unproven aggression detectors, more surveillance

In some public places, such as schools and hospitals, microphones installed with software listen for noise that sounds like aggression. The systems alert the authorities. It sounds useful, but in practice, the detection algorithms might not be ready yet. For ProPublica, Jack Gillum and Jeff Kao did some testing: Yet ProPublica’s analysis, as well as the experiences of some U.S. schools and hospitals that have used Sound Intelligence’s aggression detector,...

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Math gender gap bigger in richer school districts

This is quite the scatterplot from Claire Cain Miller and Kevin Quealy for The Upshot. The vertical axis represents by how much girls or boys are better in standardized tests; the horizontal axis represents wealth; each bubble represents a school district; and yellow represents English test scores, and blue represents math test scores. The result: a non-trend up top and a widening gap at the bottom. Tags: gender, math, school,...

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