This paper provides a critical re-examination of prevailing case study approaches that select ethnic minority cases based on racial identities. It revisits the importance of distinguishing between concepts of ‘race’ and ‘ethnicity’ (Brubaker, 2004 Wallerstein, 1991), and proposes a language-informed approach to reconceptualize these constructs in view of the power dynamics that results in their conflation.I examine the language developments that structure the school context to highlight the power dynamics of Hong Kong’s shifting identity from special administrative region to its eventual integration into Mainland China. A language-informed approach provides an illustrative case of language developments that propel schools into the unintended consequence of enculturating Cantonese-speaking (Hong Kong) students to embrace Mandarin (Mainland). Language developments coalesce into a coherent strategy that elicits the voluntary cooperation of autonomous Hong Kong schools to conflate the race and ethnic identities of Mandarin and Cantonese-speaking students.Lexis Elementary is a school in Hong Kong located near the border of Mainland China. Due to poor school enrolment, it had a close-shave with school closure. The school survived by enrolling students from across the border from Mainland China, where the language is Mandarin rather than Cantonese spoken in Hong Kong. The consequence is a transformation in the school language profile. From juggling between English and Cantonese, Lexis Elementary students are now predominantly Mandarin speakers.The case study demonstrates how the economics of school survival coalesce with language developments to produce trickle-down effects on the conflation of race and ethnic identities. It highlights the need for language-informed case studies to chart the structural racism that underlie the complex webs race and ethnic identities entrenched in language development. I draw attention to how ethnic minorities are sequentially rendered invisible

Purpose: The purpose of this paper is to explore how principals' leadership approaches to teacher professional development arise from school banding and may impact upon teacher professional capital and student achievement. Design/methodology/approach: The case study is situated within the context of school-based management, comprising reflective accounts of nine school principals selected by stratified sampling from a sample of 56 Hong Kong schools to represent Bands One, Two, and Three schools. The reflective accounts were triangulated with observations of teachers and analysis of school websites. Findings: First, under school-based management, principals remain obliged to recognize the power of state-defined examinations in determining the schools' future priorities. Second, the exercise of school autonomy in response to this obligation varies, depending upon the competitive advantage schools have in the school banding system. Ideally, effective school-based management is dependent upon the principal's capacity to facilitate good instructional practices. However, principals need to adjust their leadership practices to school contextual demands. Third, adaptations to contexts result in the varied developments of teacher capacities in schools, corresponding with the types of principal leadership adopted. Originality/value: While statistical studies have identified attributes of exemplary principal leadership, few studies have examined the qualitative reasons for the exemplification of these attributes, and the influence of the school context in shaping these attributes. Departing from assumptions that leadership attributes are intrinsic to individuals, this paper considers how principals contextualize leadership in teacher professional development to the schools' student academic achievement.
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