Here is another example: "A Sea of Charter Schools in Detroit Leaves Students Adrift" https://www.nytimes.com/2016/06/29/us/for-detroits-children-...

According to NYT: "half the charters perform only as well, or worse than, Detroit’s traditional public schools."

According to data from the cited study: Half the charters perform significantly better, around half no significant difference, a small percentage (1% in reading, 7% in math) perform significantly worse.

See: https://jaypgreene.com/2016/06/29/nyt-hatchet-job-on-charter...