Angrist, Noam https://orcid.org/0000-0003-2750-1916
Ainomugisha, Micheal
Bathena, Sai Pramod
Bergman, Peter
Crossley, Colin
Cullen, Claire
Letsomo, Thato
Matsheng, Moitshepi
Panti, Rene Marlon
Sabarwal, Shwetlena
Sullivan, Tim
Article History
Received: 12 July 2025
Accepted: 4 August 2026
First Online: 9 September 2026
Ethics
Competing interests: N.A. and M.M. co-founded Youth Impact, the non-governmental organization that first developed and tested the ConnectEd phone tutoring programme evaluated in this study. C. Cullen heads Youth Impact’s research team. Youth Impact provided training and technical assistance to implementing partners across the five trials but did not itself deliver the intervention in the study countries and received no financial benefit contingent on the study’s findings. All other authors declare no competing interests.