It’s because the segregated schools had limited textbooks, less qualified teachers, and poor facilities overall.
Rosa Parks (1913-2005) performed an act of insurrection when she refused to stand up and give her bus seat, located the bus section that was supposed to be for black passengers, to a white woman after the bus driver requested her to do so because the white section of the vehicle was already full. This happened in Montgomery in 1955. She was arrested for violating the segregation laws from Alabama.
Her action and subsequent arrest triggered the start of the Montgomery Bus Boyycott, as a social protest within Civil Rights Movement that lasted from 1955 to 1956 and aimed to end segregation in US public facilities.
The number of electoral votes per state is equal to the number of its senators plus the number of its individuals in the House of Representatives.