<![CDATA[Collaborative skills are essential for pupils to master in 21st-century learning; however, their application in classroom practice has not yet been optimised. This study aims to describe the collaborative skills of Year 10 pupils through the implementation of a Problem-Based Learning (PBL) model supported by an educational board game at SMAK Sint Carolus Kupang. This is a descriptive study employing data collection techniques such as observation, interviews and documentation. Data analysis was conducted using triangulation to ensure data validity, utilising an interactive analysis model comprising data reduction, data presentation and drawing conclusions. The results of the study indicate that the students’ collaborative skills improved. In the first session, the students’ collaborative skills fell within the range of 50–100, with some still in the ‘fair’ category, whilst in the second session, they predominantly improved to the ‘good’ to ‘very good’ categories (71–100), characterised by increased engagement, a more equitable division of roles, and improved joint decision-making skills. Group observation results also showed an increase in scores from the range of 80–92 in the first session to 88–100 in the second session. It can therefore be concluded that the implementation of the PBL model, supported by educational board games, has a positive impact on improving pupils’ collaborative skills at SMAK Sint Carolus Kupang.]]>
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