Hazmat crews were sent to the school at 5501 N. Kedzie.
Officials say 28 students were in the classroom when some chemicals were mixed, but they turned out to be non-toxic.
No injuries were reported.
Hazmat crews were sent to the school at 5501 N. Kedzie.
Officials say 28 students were in the classroom when some chemicals were mixed, but they turned out to be non-toxic.
No injuries were reported.