CHICAGO (CBS) -- A day after Mayor Brandon Johnson announced his entire hand-picked school board would resign, dozens of members of the City Council blasted the recent developments in an open letter. Following the announcement of the resignations, the 41aldermen wrote, "This is unprecedented and brings further instability to our school district."

The mass resignation of the seven-member Chicago Board of Education may be only the first in a series of upheavals in Chicago Public Schools leadership, heralding an uncertain future for students and families in the district.