This article aims to undertake a comparative investigation of school administration to understand further the frames of curriculum making. School administration is an under-illuminated aspect of curriculum research. The paper commences from the notion that, in mass education, a school system is operationalized by many schools, which are coupled to each other and to political decisions. Here is the curriculum vital. Building on the classic work of Stefan Hopmann, a curriculum is part of the administrational structure of the school system. The Article suggests several categories that can describe the nature and function of school administration in various contexts. There are external matters of schooling, such as school buildings, school food, etc. and internal matters of schooling, such as curriculum, pedagogy, and evaluation. Individual schools and school administration are coupled via licences, and programmatic, professional, and procedural supervision. The article employs these categories with a comparison of a decentralized Sweden and a centralized Germany. The comparison investigated 290 Swedish municipality school administrations and 45 state education authorities in 4 German federal states. In this comparison many interesting similarities between both contexts can be hightligthed.