Table 2.

DHS waves used for the analytical sample and sampling distribution of women.

Country	DHS Waves Used	Sampling Distribution		Primary and Secondary Exposure
		No exposure	Only Primary exposure
Treated Countries (Secondary-free)
Chada	2015	10,498	0	87
Cote d’Ivoirea	2012	3220	0	3161
Gambiaa	2013	5877	0	567
Ghanaa	2003, 2008, 2014	8543	0	3405
Kenyaa	2003, 2009, 2014	19,876	0	1437
Malawia	2000, 2005, 2010, 2016	29,591	0	18,355
Malia	2001, 2006, 2013, 2018	23,670	0	6009
Nigeriaa	2003, 2008, 2013	51,286	0	772
Rwandaa	2000, 2005, 2010, 2015	34,081	0	2349
Senegala	2005, 2011, 2012–2019	62,548	0	8643
Sierra Leonea	2008, 2013, 2019	22,526	0	9722
Treated Countries (Primary-free)
Angolab	2016	9296	3642	0
Beninb	2001, 2006, 2012, 2018	42,308	4047	0
Burundib	2011, 2017	20,709	3263	0
Cameroonb	2004, 2011, 2018	26,090	7214	0
Ethiopiab	2000, 2005, 2011, 2016	30,012	5779	0
Lesothob	2005, 2010, 2014	14,759	2026	0
Namibiab	2007, 2013	13,373	1118	0
Tanzaniaa	2005, 2010, 2016	24,402	2566	0
Comparison Countries (No Free Schooling)
Burkina Fasoa	2003, 2010	21,250	0	0
DRCa	2007, 2014	22,578	0	0
Madagascarb	2004, 2009	18,244	0	0
Mozambiqueb	2004, 2011	19,822	0	0
Nigerc	2006, 2012	16,037	0	0
Sao Tomeb	2009	1840	0	0
South Africac	2016	7724	0	0
Swazilandb	2007	3616	0	0
Togob	2014	8287	0	0
Zimbabwec	2006, 2011, 2015	26,926	0	0
Total (N = 683,151)		598,989	29,655	54,507

^aCountries with tuition-free secondary policy.

^bCountries with tuition-free primary policy.

^cCountries without tuition-free policy.