Vietnam is currently debating the legal classification of educational activities not formally included in the national curriculum but managed as core subjects. The core of the discussion revolves around whether these enhanced educational offerings should be considered part of the official curriculum, carrying the same legal weight, or remain designated as optional services. This consideration impacts resource allocation, student requirements, and the overall structure of the Vietnamese education system. Currently, the legal standing of such activities remains unclear, prompting questions about their regulation and oversight. Defining this status is crucial for ensuring equitable access and consistent quality across schools. This issue has become particularly pertinent as schools increasingly offer supplementary programs. A clear determination is needed to navigate potential legal ambiguities and ensure a standardized approach to educational provision.