Hundreds took to social media on Monday night after a strange object appeared in the skies over New Jersey.
The decision to close the school was made after a ghost sighting sent several pupils into a state of mass hysteria.
A group of around 30 students was left terrified after a Ouija board session at their school went horribly wrong.
A garment factory in Cambodia was recently at the center of a case of mass hysteria involving 35 workers.
A strange case of mass hysteria has seen students and even teachers being pinned down by 'evil spirits'.
A mysterious illness saw hundreds of young children fall ill at a school in Bangladesh last month.
A bizarre wave of anxiety caused several dozen pupils at a school in North Yorkshire to fall unconscious.
Several pupils have fallen ill after entering a bathroom attributed with the death of a schoolgirl.
Several workers started to scream hysterically in a bizarre spate of incidents at a factory in Swaziland.
A case of mass hysteria is thought to be responsible for rendering several students unconscious.
More than two dozen students at a girls high school in Japan suddenly became unwell at the same time.
Mass hysteria erupted in the Spanish town of Naron when a snake emerged from a woman's toilet bowl.
A bizarre case of mass hysteria is reported to have caused police in Zimbabwe to flee in terror.
A radio station got more than it bargained for when a promotional invasion spoof got out of control.
Up to 200 students have fled from an army base in South Africa after a recent bout of mass hysteria.
A group of baboons at a zoo in the Netherlands have been exhibiting some unusual behavior.
A case of mass hysteria has hit a school in the Philippines involving more than 20 teenage students.
A significant increase in UFO sightings has prompted speculation that 2012 hysteria may be setting in.