The second one is your answer "Separate is Not equal".
Explanation:
"State-sanctioned segregation of public schools was a violation of the 14th amendment (14th amendment states in section 1, that "No state shall make or enforce any law which shall abridge the privileges or immunities of citizens of the United States.") and was therefore unconstitutional."
It would be because as a result in a change of a cultural experience girls are less likely to finish school because their education is not a high priority