In Baltimore, Surveillance Systems for 10 More Schools

City schools and police department partner on plan to put an additional 280 cameras into operation

"Cameras are a deterrent for those who are deterrable, and they serve as evidence for those who aren't," Trump said. "Security equipment is only as good as the human effort behind it."

The issue of school safety has been on the minds of many Baltimore parents over the past week.

On Oct. 9, about 100 Digital Harbor High students looked on as two of their classmates fought several blocks from the school, smashing a car windshield. On Oct. 11, police say, a 14-year-old girl at Pimlico Middle School was stabbed in the arm by a 13-year-old classmate with a 10-inch kitchen knife. That same day, about 200 pupils at Holabird Elementary were locked inside their school for more than four hours after a shooting in the neighborhood.

On Oct. 12, an 8-year-old boy brought a revolver into his third-grade class at Grove Park Elementary, and another boy looking at the gun in his desk accidentally pulled the trigger. And last Friday, a 14-year-old boy was shot outside Frederick Douglass High during a football game.

Williams, the schools police chief, said yesterday that the victims of the Pimlico stabbing and the Douglass shooting are making full recoveries. He said police are still investigating the various incidents, including how the 8-year-old at Grove Park got access to a gun.

In the aftermath of last week's violence, some community leaders called for the installation of walk-through metal detectors in city schools. Williams has said that he would support having metal detectors in schools as a precaution but that it is not financially practical. He reiterated yesterday that the system is not going to rush to buy them.

The schools police force does conduct random student weapon searches at middle and high schools with hand-held metal detector wands.

Meanwhile, officials are continuing to try to reassure parents that their children are safe, calling last week's incidents an aberration. In a letter sent home with children Wednesday, Boston pointed to a survey conducted last school year in which 83 percent of parents responded that they believe their children are safe in city schools.

Urging parents to review safety procedures with their children, the letter said: "Last week we addressed several incidents involving a few students whose actions temporarily overshadowed the wonderful progress being made in providing the quality education that our 83,337 students deserve."

On camera

Schools where cameras will be installed (28 cameras each):

Schools where cameras were installed this summer:

Schools that already had cameras:

Source: Baltimore City Public School System and Baltimore Police Department