The vast majority of deaths reported so far have been in Iran, but the human toll is being felt around the world.
Many residents of Tehran managed to get out of town when the U.S. and Israel attack began, but others who could not described living under bombardment.
President Trump also declined to rule out sending ground troops into Iran as the conflict spread into the Gulf countries and Lebanon and Israel exchanged strikes.
The number of U.S. service members killed in the first three days of the war grew as officials said the remains of two more troops had been recovered.
In a brief interview, he said the country’s hardened military should simply surrender their weapons to the Iranian public.
Videos and images verified by The New York Times showed that at least half of the school was destroyed. It was not immediately clear why the school was hit, or which country’s forces had fired at it.
The grim toll signaled that Iran was more prepared for war than the Trump administration anticipated, U.S. military officials said.
The toll in Beit Shemesh was the highest in Israel since the start of the conflict with Iran on Saturday.
Student groups reported protests at universities in Iran’s two largest cities as the government grapples with domestic discontent and the threat of U.S. strikes.
Ceremonies commemorating the 40 days after protesters were killed are planned this week, challenging the authorities’ ability to restrain them.