50 percent of women being PHds is not world conquering. it would be racial sucide. it would be South Korea. let women pursue phds if they really want it but your average person on their own is not going to pursue that level of education.
South Korea has a population crisis because of misogyny, not because of education. But I'm sure you know this already.
Anyway, since you are so worried about child-birth rates. You think having an education, stops women from birthing babies? Or from being married? It does not. Plenty of women are educated and have families. There are 24 hours in a day.
Jews are the highest educated group, out of all religious groups. And they are also the wealthiest, most organised and so forth. They also score highly on IQ tests.
My point is; Muslims should push for life-long education, which would not stop them from learning a martial art, a trade and so forth.