[inquest]

...but are constricted by local policies.

Is it local policies, or federal? I seem to recall hearing that the idea got most of its promotion from the federal Dept. of Education, and eventually became a condition for grants of funds.

[Domestic Church]

Is it local policies, or federal?

Check the second link, the one on Charlotte Iserbyte's book as she was in the Federal Dept of Education under Reagan.