As technology that enables data collection, accumulation and analysis develops, the use of data is being emphasized as the key of evidence-based policies. The purpose of this paper is to identify the current status of data collection related to vocational high school, analyze the current situation and needs of data usage by vocational high school teachers and suggest implications for future educational data construction. The main results of this paper are as follows. First, most of the collected data included vocational high school students and graduates as part of all high school students, young people or candidates for qualification. In particular, it was verified that data surveys using vocational high schools as parent population and linking administrative statistics and were insufficient. Second, vocational high school teachers who participated in this paper answered their data using frequency as ‘more than once a year'(28.0%), ’more than once a quarter’(26.1%), and ‘not at all'(23.3%). Teachers were using data for ‘writing a project plan or result report', ‘providing career counseling for students' and ‘developing and organizing a curriculum'. Teachers hoped to ‘link and integrate vocational high school-related data’ and data such as ‘students' interests and career plans’, ‘graduates' major retention rate’ and ‘predicting the supply and demand of high school graduates/college graduates by region/major/industrial field’ to be offered in the future,. Third, it is necessary to include vocational high school teachers to consider the context of vocational high school when promoting the collection and release of educational data, the use of administrative and learning data and the establishment of big data.
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