Marino estimates the security upgrades at just the Monroe school are worth $113,000. He expects the upgrades at the other schools could be worth about the same amount.
"I feel obligated to try to do the best we can," he said, adding how no security system is foolproof. "I think if you can save a few lives, it's worth it."
The Newtown Board of Education voted Thursday to accept 30 real-time security cameras, the final step at the Monroe school. They are expected to be installed by the end of next week, Marino said.
Twenty first-graders and six educators died in the Newtown shooting.
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