Due to expected high heat indexes, some Hannibal public  schools will dismiss early today (SEP 21). 
Hannibal High School will dismiss at 11:30, Hannibal Middle School will dismiss at 11:55, and there will be no afternoon classes at the Early Childhood Center and Hannibal Career and Technical Center.  ALL elementary schools will be in session ALL day.  For additional information, you can visit the Hannibal Public Schools website and access the Heat Day Release guidelines.