Determining the limits of accountability and how schools should be assessed is one of the most difficult problems in education. The state of Texas has attempted accountability by rewarding some schools and punishing others without justification. The school superintendents of Bexar County (Texas) and the Center for Educational Leadership at Trinity University have reviewed the problem of accountability and proposed a value-added approach. Productivity should be measured by a school's contribution to student learning, and not an absolute level of student learning. The learning environment depends on family, neighborhood, public institutions, and schools, all of which need to be considered for school achievement. The Center for Educational Leadership published "Smart Schools for San Antonio's Future" in 1992. The report suggests augmented teaching and learning for all students, authentic assessment, cooperative learning settings, interdisciplinary teaching, functional schedules and time frames, essential learning, one standard, commitment to technology, extended school year, greater student responsibility, and commitment to public service. Under governance and leadership, the report suggests community-based management, smart leadership, safe and stable school environments, enhanced professionalism, school choice, and parent and community involvement. (JPT)