This study describes the application of a Web-based portfolio for appreciation and peer assessment for visual-art education in elementary school. Besides examining the effectiveness of the proposed system in enhancing visual art education, this study also addresses how Web-based portfolios can help teachers to assess student learning progress and facilitate peer assessment. The results of questionnaires and interviews shows that the proposed portfolio system can help student learning and the peer assessment component of the proposed portfolio system can help the students' learning in visual-art education in elementary school.