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Hastings High School in Westchester County, New York was evacuated after a chemical spill in class Thursday. 

The school is located on Mount Hope Boulevard in the town of Hastings-On-Hudson. Students went back to class there earlier this week. 

Watch Chopper 2 live over the scene as students gather outside.

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Emergency responders at the scene at Hastings High School after a chemical spill on Sept. 4, 2025. 

CBS News New York

Superintendent of Schools Bill McKersie told CBS News New York a beaker broke with chemicals in it. While few students and a teacher were affected by the spill, the entire building was evacuated as a precaution, McKersie said. 

There was no immediate word of the total number of people being treated. 

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Students from Hastings High School were evacuated after a chemical spill on Sept. 4, 2025. 

CBS News New York

Students were seen gathering on the ball field outside the school. 

Before students will be allowed back into the school, the affected classroom has to be made safe. 

The school sent the following notification to parents: 

Dear Families,

We want to inform you that, due to an isolated incident in a science classroom, all students at HHS and FMS have been evacuated as a precaution. Please be assured that the safety of our students is our top priority, and proper precautions are being taken.

At this time, all students are safe. If any parent contact is necessary, you will be notified immediately.

Thank you for your understanding and support as we ensure a safe and secure environment for all students.

Check back soon for the latest updates on this developing story. 

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Renee Anderson

Renee Anderson is a digital producer at CBS New York, where she covers breaking news and other local stories. Before joining the team in 2016, Renee worked at WMUR-TV.