Many online communities for high school computer science teachers have been developed to help teachers connect with each other and share course materials. However, these sites have failed to meet teachersâ needs and are widely underused. Creating new communities by repeat-ing the design of existing sites will only require teachers to search additional sites to ï¬nd what they need. Prior work has framed the inefï¬cacy of these sites in terms of usabil-ity without exploring additional underlying problems that discourage teachers from using the sites. We interviewed teachers about their attitudes toward existing sites to further our understanding of these underlying problems. During interviews teachers said that ï¬nding relevant resources is difï¬cult and contributing to these communities requires too much time. We propose a new design for a system that low-ers the barrier to participation while providing teachers with improved access to each otherâs relevant course materials.
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