Nearly 70 percent of the students surveyed said there was a gun at home.
And in the last four years the research center has also surveyed 8th- and 10th-grade students.
Forty-four percent of all the students surveyed said it was no big deal.
Nearly 1 in 4 students surveyed said they expected to work full time while in college, another record.
Less than half of the students surveyed said that they had received remedial help to avoid summer school, the study showed.
One-third of the students surveyed attend schools near ground zero.
The center surveyed teachers and students, who ranked incidents of aggressive behavior.
Surveying students on their interest in athletics is one fair and reasonable way to offer opportunity.
More than half the students surveyed said they never talked about schoolwork with their peers.
The college is also surveying students about their interests and will track the results to see if the answers had any predictable value.