The role and importance of national reform network participation in the implementation of one of the most successful U.S. whole-school reform efforts--Success for ALL (SFA)--is profiled here. The paper explores this educational network beyond professional development and examines the relationship between participation in SFA's national reform network activities and the quality of program implementation. Part 1 briefly describes the SFA model for school change and its major components. Then, after presenting a theoretical framework for understanding educational networks and how they can be used in supporting whole-school change, the analysis turns to how network activities are used to facilitate quality implementation of SFA. Two types of network activities are explored: (1) participation in a national conference; and (2) participation in local support network activities. The findings illuminate key connections between network participation and the quality implementation of whole-school change. It is suggested that national reform network activities play a key role in the development and expansion of whole-school change models. Appended is a list of the variables explored under the headings outcome measures, program structure, and reading curriculum/strategies. (Contains 18 references.) (RJM)