Four Gaza universities shut down on Monday because students could not get to class, officials said.
He was handcuffed, shackled and tied to a seat in first class, officials said.
When students eat together in class, officials say, the social stigma is removed from the neediest students, who otherwise might eat alone.
Last year, for example, only 72,500 of the high school students who signed up for summer school actually attended class, officials said.
As of Friday afternoon, it appeared that Mr. Kazmierczak had left no note, no indication of a motive, and had no known relationship with anyone in the science class, officials said.
At Townsend Harris High School at Queens College, where more than 6,000 students apply each year for fewer than 300 places in the ninth-grade class, officials said that at least 40 seats had been left empty after an unexpectedly high number of applicants who now attend private or parochial school turned down the admissions offer.
President Obama is to use Tuesday's State of the Union speech to call for tax increases on the wealthy to help the middle class, officials say.
"Unite members will also need to reflect on whether Unite's claim that it is simply encouraging more 'working class' MPs is a bogus argument that sits behind a crude attempt to place middle class officials and close friends into jobs".
The student, who was not identified, took a Bay Area Rapid Transit train from his home in Contra Costa County to the college campus to attend class, officials said.
The president's plan would use revenues from those tax code changes to finance credits aimed at the middle class, officials said.
A charge against a former Glendale police sergeant accused of soliciting a prostitute at a Las Vegas casino was dismissed Tuesday after he "stayed out of trouble," paid a fine and completed an AIDS awareness class, officials said.
