This dataset includes the list of 100+ studies of conditional cash transfers examined in two previous reviews of cash transfers and education: Baird et al. 2014 and Bastagli et al. 2016. It describes heterogeneous treatment effects described in each study (and where to find them in the study). It includes all English-language studies in the two reviews. This analysis is summarized in Table 8 of Evans, D.K., C. Gale, and K. Kosec, 2022, "The Educational Impacts of Cash Transfers in Tanzania." Economics of Education Review.