The article cites information that refutes this. Roughly speaking, 50% are equivalent to public schools, a quarter are better, and a quarter are worse. 75% are

The article cites information that refutes this. Roughly speaking, 50% are equivalent to public schools, a quarter are better, and a quarter are worse. 75% are not better, which is way beyond "nearly all cases", unless 25% is "nearly all" to your reckoning.