Search our database of 1157 randomized evaluations conducted by our affiliates in 95 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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School Electricity and Native Language Digital Media to Improve Student Learning in Tanzania

Hee Kwon Seo
Making electricity and learning materials in students’ native language more widely available in schools may be beneficial to student learning, but existing evidence is sparse. Researchers conducted a randomized evaluation to test the impact of school electrification, delivered alongside mixed...

Does EdTech Substitute for Traditional Learning? The Impact of Computer-Assisted Learning in Russia

Robert W. Fairlie
Anastasia Kapuza
Elena Kardanova
Prashant Loyalka
Andrey Zakharov
Researchers conducted a randomized evaluation to evaluate the impact of computer-assisted learning (CAL) on student test scores. The CAL program improved students’ math and language test scores, but increasing the time students spent on CAL did not lead to additional gains.

Returns to Secondary Schooling in Ghana

In this ongoing study, researchers are evaluating the effect of secondary school scholarships on educational attainment and cognitive skills in the short run, and on life outcomes in the longer run, from employment and health outcomes to civic participation and attitudes.

Effects of Replicating Charter Schools in Boston, Massachusetts

Researchers studied a policy reform in Boston, Massachusetts, that allowed effective charter schools to replicate their school models at new locations. Results showed that charter schools reproduced their effectiveness at new campuses by following similar sets of standardized protocols...

Government Mobile Salary Payments for Teachers in Afghanistan

Joshua Blumenstock
Tarek Ghani
In partnership with the Ministry of Education of Afghanistan, researchers are conducting a randomized evaluation to study whether mobile salary payments (MSPs) improve learning by increasing teacher attendance and morale.