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SBA - Introduction
School-based Assessment (SBA) is an assessment carried out by schools with students being assessed by their own subject teachers. All school candidates have to complete the SBA of the subjects concerned and the marks awarded are counted towards their results in the HKDSE.

The following are subjects with an SBA component in the HKDSE:


Core subjects

  • Chinese Language
  • English Language
  • Liberal Studies

Elective subjects

  • Biology
  • Chemistry
  • Chinese Literature
  • Design & Applied Technology
  • Health Management and Social Care
  • Information & Communication Technology
  • Literature in English
  • Physics
  • Integrated Science / Combined Science
  • Technology and Living
  • Visual Arts
SBA emphasises the assessment of a wide range of abilities which offers a comprehensive appraisal of students’ performance. By integrating learning and teaching with assessment, it helps students understand their strengths and weaknesses through quality feedback from teachers. SBA also reduces dependence on the results of public examinations and boosts students’ confidence and motivation to learn and enhances autonomous learning.
Implementation timetable of School-based Assessment


Year of Implementation of SBA
(% weighting of SBA in subject result)

2012 - 2017
2019 and beyond
Chinese Language ✔ (20%)
English Language ✔ (15%)
Liberal Studies ✔ (20%)
Design and Applied Technology ✔ (40%)
Visual Arts ✔ (50%)
Information and Communication Technology ✔ (20%)
Biology ✔ (20%)
Chemistry ✔ (20%)
Physics ✔ (20%)
Science ✔ (20%)
Chinese History ✔ (20%)
History ✔ (20%)
Literature in English Defer Implementation #Optional trial ✔ (20%)
Technology and Living Defer Implementation #Optional trial ✔ (30%)
Chinese Literature Defer Implementation #Optional trial ✔ (15%)
Health Management and Social Care Defer Implementation #Optional trial ✔ (20%)



  1. ✔: Implement SBA
  2. ✘:Not implement SBA, starting from the 2018 HKDSE
  3. #:During the optional trial, schools can opt for not submitting SBA marks or submitting marks for feedback. The SBA marks submitted will not be counted towards the subject result.