They're not facing the same level of difficulty in getting education.

As for why prioritizing girls' education is good in the poor/rural communities of developing countries:

https://www.worldbank.org/en/news/immersive-story/2017/08/22/educating-girls-ending-child-marriage https://www.un.org/en/chronicle/article/educate-girls-eradicate-poverty-mutually-reinforcing-goal