Μake us preferred on Google “Some mistake was made by the outside contractors during the maintenance process,” Polyxeni Kaisari, owner of the Kaisari Schools, told tanea.gr. She was referring to the incident on Wednesday at the private school complex, where a strong smell, suspected of being the result of a chlorine leak, was detected.
According to her account, at some point this distinctive smell was noticed, causing serious concern among school officials about a potential chlorine leak, and the entire building was evacuated immediately.
“Today there was routine maintenance of the school’s swimming pool. Some mistake was made by the outside contractors during the process, a strong smell of chlorine was noticed throughout the school, and we immediately evacuated the entire building.”
At least seven ambulances responded to the scene to take children and adults to the hospital. Specifically, 13 students were rushed to the Children’s Hospital and 12 adults to Sotiria Hospital.
“We also informed the police rapid response unit and the National Center for Emergency Care (EKAB). EKAB checked the children who were in the pool area, and they had no symptoms. They were taken to the hospital as a precaution. They had no breathing problems,” she said.
Teachers and parents are still upset, as questions remain unanswered so far. According to the school’s owner, whatever is required in such situations will be done.
“We are still investigating what exactly happened. We have not spoken personally with the company. We are waiting for them to give us explanations, and we will take whatever action is required.”
Students and parents at a private school in Koropi were taken to hospital after experiencing respiratory problems following the release of chemical gases during swimming pool maintenance. As a precaution, the primary school and kindergarten were evacuated. Wednesday, 11 November 2026 (MICHALIS KARAJANNIS / EUROKINISSI)
Thirteen 6-Year-Olds At The Children’s Hospital
The incident happened on Wednesday morning, when 13 students, all 6 years old, reportedly inhaled chemicals like chlorine used to clean the school pool.
According to information, at about 10:30 a.m., students began to feel unwell, and teachers called EKAB.
A total of seven ambulances and one smaller EKAB vehicle rushed to the scene to provide help and carry out the necessary transfers.
The 13 students were taken to the “Aglaia Kyriakou” Children’s Hospital, while 12 adults were taken to Sotiria Hospital.
In addition, two adults were taken to the Koropi Health Center, where they were examined in the emergency department and found to be in no danger.
The Children Have Returned Home
According to available information, the 13 students were examined by both a pediatrician and an ear, nose and throat specialist.
The condition of both the students and the adults taken to hospitals is described as good, and according to information, the children have returned home.
The fire service’s Special Disaster Response Unit (EMAK) was also called to the school. According to information so far, no arrests have been made and no one has been taken in for questioning.
Students and parents at a private school in Koropi were taken to hospital after experiencing respiratory problems following the release of chemical gases during swimming pool maintenance. As a precaution, the primary school and kindergarten were evacuated. Wednesday, 11 November 2026 (MICHALIS KARAJANNIS / EUROKINISSI)
