And while it's possible that they may discipline students for such speech when it truly substantially disrupts behavior inside the school, there has to be a pretty high bar for that, a bar that the school's arguments didn't clear.

It also increases sentences for terrorist threats that substantially disrupt governmental or business operations or result in costly cleanup measures.

With the Canary Islands' power grid substantially disrupted, the Unelco-Endesa power company was forced to use temporary generators to boost power at sub-stations far from the main grid.

A big question is whether BART would define that as a bid to "substantially disrupt public transit services."

Principals can intervene and stop a removal, but only if they can prove that the student's behavior did not substantially disrupt the class, the board officials said.

First case reports in Toronto, Ontario, Canada, of the Great Epizootic of 1872 (equine influenza, or the "horse flu") which will substantially disrupt life in North America by mid-December.

While there are no data to indicate that water has been specifically targeted, our nation's water infrastructure remains at risk to terrorist attacks, or acts intended to substantially disrupt the ability of a water system to provide a reliable supply of water.

The only legal restriction placed on dress and grooming in the public schools are those which might adversely affect health or safety or substantially disrupt the educational process.

The 1969 Supreme Court precedent holds that student expression may not be suppressed unless school officials reasonably conclude that it would "materially and substantially disrupt the work and discipline of the school."

Drinking water systems serving more than 3,300 persons must develop response measures to incidents that could substantially disrupt a system's ability to provide a safe, reliable supply of drinking water or otherwise present significant public health concerns.