This might already have been mentioned here:

US may have struck Iranian girls' school after using outdated targeting data, sources say

"According to archived copies of the school's official website, the school is adjacent to a compound operated by the Islamic Revolutionary Guard Corps, the military force that reports to Iran's supreme leader.
One ?of the sources, who spoke on the condition of anonymity, said officials responsible for creating targeting packages appeared ?to have used out-of-date intelligence. The second source confirmed that out-of-date intelligence appears to have been used."

...

"Deliberately attacking a school or hospital or any other civilian structure would ?likely be ?a war crime under international humanitarian law."