Americans intent on ensuring a school massacre like the one in Newtown, Conn., never happens again could learn a lot from Israel, where the long menu of precautions includes armed teachers.

The Jewish state, which has long faced threats of terrorist strikes in crowded locations including schools, takes an all-of-the-above approach to safety in the classroom. Fences, metal detectors and armed private guards are part of a strategy overseen by the country’s national police. And the idea of armed teachers in the classroom, which stirred much controversy in the wake of the U.S. attack, has long been in practice in Israel, though a minority of them carry weapons today.

Oren Shemtov, CEO of Israel’s Academy of Security and Investigation, noted that attacks typically happen in a matter of minutes, and said gun-toting teachers could, at the very least, buy time for kids to escape while police race to the scene.

“Two (armed) teachers would have kept (the Newtown shooter) occupied for 45 seconds each,” said Shemtov, who is one of 16 people in Israel authorized to train those who instruct school guards.

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