Petrifying the High Schools?

But to say that these schools should be preserved must not mean that they are a petrified preserve, immune to review and reform. Neither their admissions process nor their curriculum is sacrosanct. Enactment of the bill by the State Senate would be a flagrant violation of educational home rule.

https://www.nytimes.com/1971/05/21/archives/petrifying-the-high-schools.html