Which supreme court decision did brown versus board of education 1954 overturn

The decision of "racial segregation in public school" did Brown versus Board of education 1954 overturn.

Explanation:

The well known supreme court case in 1954 of Brown versus Board of Education of Topeka in which the justices had taken control unanimously over the racial segregation of children in the public school are completely unconstitutional. The brown versus Board of Education is the biggest milestone of the civil rights movement, which has helped to establish the precedents that are being "separate-but-equal" education rights and other services are not equal at all.