The Girl In The Classroom Is An Economic Investment

“When girls are educated, their countries become stronger and more prosperous.”

— Michelle Obama

There is a moment, repeated millions of times a year in households across the world, that rarely makes headlines. A family with limited resources decides which of its children will stay in school and which will not. Often, it is the daughter who stops attending, out of a decision about whose education will “pay off” for the family. Collectively, those decisions are costing the global economy tens of trillions of dollars.

The World Bank estimates that restricting girls’ education costs nations between $15 trillion and $30 trillion in lost lifetime and productivity earnings—a figure almost the size of the entire U.S. economy. For years, the conversation around girls’ education has been framed primarily as a moral or humanitarian issue. That framing is important, but it can obscure another powerful argument. Educating girls is an economic investment. The World Bank has found that educating girls and women drives employment and reduces poverty. According to the Global Partnership for Education, every dollar spent on girls’ education can generate a $2.80 return. A single additional year of schooling can increase a girl’s potential earnings by up to 25 percent. And when a girl stays in school, the benefits cascade across the entire economy.

How One Girl’s Education Transforms an Economy 

Education builds human capital: the knowledge and skills that make workers more productive. Educated women are more likely to participate in the formal labor market and earn higher incomes (World Bank). In Africa, reaching gender parity in education and employment could generate an extra $2.4 trillion in income for the continent by 2040 (World Bank, 2024). For Nigeria alone, the projected additional income is $400 billion—a massive net gain on an estimated $37 billion investment (World Bank via TheCable, 2026). The evidence demonstrates that educating girls creates an economy with more skilled and productive women.

The second effect is that girls’ education changes households. An educated woman may earn more, but her education can also influence when she marries, when she has children, how she participates in household decisions, and how she invests in her family’s health and education. Research consistently finds that a mother’s education is one of the strongest predictors of her children’s health and education. Each additional year of a mother’s education can lead to her children attaining an extra 0.32 years of schooling (Global Partnership for Education, 2014). Educated women also tend to have fewer, healthier children, and their children are three times more likely to survive past age five, as educated mothers make more informed decisions about nutrition, sanitation, and vaccination (Concern Worldwide, 2022).

Delaying marriage produces some of the sharpest effects of all. When girls complete secondary education, child marriage rates can plummet by nearly two-thirds (UNICEF, 2025). In Nigeria, the median age of marriage for a girl with no education is 16.6, compared to 21.7 for those who complete secondary school (UNICEF, 2024). That five-year difference reshapes a life, as child marriage declines, maternal mortality rates and child stunting drops alongside it. A single generation of educated women can measurably shift the health of the generation that follows.

Lastly, the community effect. Women invest their income differently than men. Studies show that women reinvest up to 90 percent of their earnings back into their families and communities, compared to the average 30 to 40 percent that men reinvest (World Bank, 2025). If we want to build resilient, self-sustaining communities, putting resources directly in women’s hands through education is one of the most reliable ways to get there.

If the returns are so clear, why does the gap persist? Poor families cannot borrow against the future earnings of a daughter to pay for her education today. School fees, transportation, and supplies require immediate resources. For a struggling family, sending a daughter to school is often deemed as a sacrifice. In addition, decisions about girls’ education are also influenced by social expectations about marriage, motherhood, and women’s work. In many societies, parents underestimate their daughters’ potential or view their education as less valuable on the assumption that daughters will eventually marry into other families. 

The irony, of course, is that educated daughters often continue to support their birth families through remittances—but this logic often fails to overcome deeply ingrained cultural norms (Center for Global Development, 2022). And even when families want their daughters to attend school, access is not guaranteed. In many regions, girls face long or dangerous journeys to school, inadequate sanitation facilities, and classrooms with poorly trained or absent teachers (UNICEF, 2024). In countries affected by conflict, girls are more than twice as likely to be out of school than girls living in non-affected countries (UNICEF, 2024). These constraints feed a self-reinforcing cycle: less education means fewer paths into higher-paying work; fewer visible returns make families more skeptical that educating a daughter pays off; and that skepticism perpetuates the underinvestment that started the cycle in the first place. Breaking it requires changing the economic incentives and constraints surrounding the decision.

Interventions That Break The Cycle

The good news is that several interventions have already proven they can break this cycle, at a meaningful scale. Conditional Cash Transfers have shown remarkable success in keeping girls in school. These programs recognize that families need immediate relief to make long-term investments. In Bangladesh, Pakistan, and the Sahel, projects providing stipends for girls have benefited close to half a million young women. In the Democratic Republic of Congo, with support from GPE’s Girls’ Education Accelerator, schools that previously had only 35% girls now see them make up 52% of the student body. Scholarships and safety initiatives are also making a difference. In Zimbabwe, funding has supported girls through scholarships, safe learning environments, and an early warning system to prevent dropouts (Global Partnership for Education, 2023). 

Furthermore, the World Bank’s Sahel Women Empowerment and Demographic Dividend project has reached more than 2 million girls, focusing on keeping them in school and expanding economic opportunities (World Bank, 2020). As of June 2024, 146.1 million girls and young women from 78 countries have benefited from World Bank education projects. Millions more will benefit in the next few decades as the organization works to implement its strategies and scale its impact.

It’s worth returning to that one household decision—the one repeated millions of times every year. From the perspective of that household, the choice may depend on what it can afford today. From the perspective of an entire economy, it is a decision that shapes the future of the world. Every girl who stays in school and decides her own future adds not just to her own life, but to her country’s strength. The families making these decisions deserve better information, better systems, and the chance for their daughters to become doctors, teachers, engineers, and leaders. Every empty seat in a girls’ classroom is a cost the global economy is still paying. The lesson has been in front of us for decades. It’s time the investment matched it.

by Mikaela Dinh

Bibliography

“Girls’ Education | World Bank Group.” Worldbank.Org, 2024, https://www.worldbank.org/ext/en/topic/education/girls-education.

“Jobs: Unlocking Women’s Economic Potential and Boosting Economies.” World Bank, 2025, https://www.worldbank.org/en/news/immersive-story/2025/03/06/jobs-unlocking-womens-economic-potential-and-boosting-economies.

UNICEF. “Girls’ Education.” Unicef, 2023, https://www.unicef.org/education/girls-education. Deng Acuil, Awut, and Randa Grob-Zakhary. “Investing in Girls’ Education: An Economic and

Moral Imperative.” World Economic Forum, 6 Mar. 2025, https://www.weforum.org/stories/education-and-skills/investing-girls-education-economic-moral-imperative/.

Aro, Busola. “World Bank: Nigeria Could Unlock $400Bn Additional Revenue by 2040 by Investing in Girls.” TheCable, 6 May 2026, https://www.thecable.ng/world-bank-nigeria-could-unlock-400bn-additional-revenue-by-2040-by-investing-in-girls/.

Bourne, Jo. “Why Educating Girls Makes Economic Sense.” Globalpartnership.Org, 2014, https://www.globalpartnership.org/blog/why-educating-girls-makes-economic-sense.

“UNICEF and Partners Find High Economic Returns from Investing in Adolescent Girls in Northern Nigeria.” Unicef.Org, 2025, https://www.unicef.org/nigeria/press-releases/unicef-and-partners-find-high-economic-returns-investing-adolescent-girls-northern.

Carvalho, Shelby, and David Evans. “Girls’ Education and Women’s Equality: How to Get More out of the World’s Most Promising Investment.” Center for Global Development | Ideas to Action, 12 May 2022, https://www.cgdev.org/publication/girls-education-and-womens-equality-how-get-more-out-worlds-most-promising-investment.