Learning in the Face of Adversity The UNRWA Education Program for Palestine Refugees (with H. Abdul-Hamid, J. Reyes, J. Kelcey, A. Diaz Varela).  Washington DC: World Bank (2016).

Indigenous Peoples, Poverty and Development (ed. with G. Hall).  Cambridge University Press 2012 (Paperback 2014).

Making Schools Work: New Evidence on Accountability Reforms (with B. Bruns and D. Filmer).  Washington DC: World Bank (2011).

The Role and Impact of Public-Private Partnerships in Education (with F. Barrera-Osorio and J. Guaqueta).  Washington, DC: World Bank (2009).

Emerging Evidence on Vouchers and Faith-Based Providers in Education (ed. with F. Barrera-Osorio and Q. Wodon).  Washington, DC: World Bank (2009).

Decentralized Decision-Making in Schools: The Theory and Evidence on School-Based Management (with F. Barrera-Osorio, T. Fasih and L. Santibanez).  Washington, DC: World Bank (2009).

Mobilizing the Private Sector for Public Education: A View from the Trenches (ed. with S. Sosale). (Directions in Development: Human Development).  Washington, DC: World Bank (2007).

Mejora de la Calidad Educativa en Mexico: Posiciones y Propuestas (ed. with F. Miranda Lopez and A. Lopez y Mota).  Mexico: CMIE (2007).

Demand-Side Financing in Education.  (Education Policy Series, International Academy of Education/International Institute for Educational Planning, UNESCO) Paris: UNESCO (2007).

Indigenous Peoples, Poverty and Human Development in Latin America (ed. with G. Hall).  London: Palgrave-Macmillan (2006).

Pueblos Indígenas, Pobreza y Desarrollo Humano en América Latina: 1994-2004 (ed. with G. Hall).  Washington, DC and Bogota: Banco Mundial and Mayol Ediciones (2006).

Policy Analysis of Child Labor: A Comparative Study (with C. Grootaert).  New York: St. Martin’s Press, 1999.

The Role of the Private Sector in Education in Vietnam (with Paul Glewwe). Living Standards Measurement Study Working Paper No. 132: Washington, DC: World Bank, March 1998.

Decentralization of Education: Demand-Side Financing (with David Lakshmanan Ariasingam).  Directions in Development.  Washington, DC: World Bank, 1997.  (French translation: Décentralisation de l’enseignement: Financements axés sur la demande, Washington DC: World Bank, 1998; Spanish translation: Descentralización de la educación: Financiamiento basado en la demanda, Washington DC: World Bank, 1998.)

Indigenous People and Poverty in Latin America: An Empirical Analysis (ed. with George Psacharopoulos). Washington, DC: World Bank, 1994; and 1997 by Avebury.  (Spanish translation: Las poblaciones indígenas y la pobreza en América Latina: Estudio empírico, Washington, DC: World Bank, 1999.)