Students were evacuated from part of Common Ground High School in New Haven Friday morning after a small chemical spill.
The spill happened in a lab at the school on Springside Avenue, according to fire officials.
Hazmat crews were called to the scene to deal with the spill.
About 200 students were evacuated to a different section of the school as a precaution. One student reported watery eyes, but there were no injuries, according to a city official.
It was not clear what chemical was spilled.