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HS BRIDGES (https://bridgesuncc.github.io/bridges-hs/) is a collection of programming projects, including "student scaffolds" and "teacher walkthroughs", that use UNC Charlotte's BRIDGES Java Libraries (https://bridgesuncc.github.io/) in order to enable students' creations of data structure- and real world data visualizations. In this Demo, we show sample projects from the HS BRIDGES collection (https://bridgesuncc.github.io/bridges-hs/). We discuss the pedagogy behind the design of our instructional materials, the importance of our "teacher walkthroughs" as supports for teachers who are new to computer science OR who are new to teaching, and the meaningful learning outcomes that students achieve as they solve project problems. Programming agility and understanding of data structures flourish when engaging problem solving challenges, scaffolded learning materials, and dynamic visualizations converge. Overall, we aim to engage session participants with HS BRIDGES projects during the session, and then back home with their students. We've recently published our collection via the Web and we are eager to share the joy of cool visualizations that make data come alive. This work is supported by NSF TUES and NSF IUSE. 

Many high school mathematics teachers have stepped up to the charge of learning computer science and offering CS courses to their students. As CS grows in popularity, more students are completing AP CS A as sophomores or juniors, and looking for advanced opportunities while still in high school. Our project seeks to support high school teachers in their quests to meet students' needs for advanced CS coursework. I am one such teacher who faced that need, and was relieved to find the BRIDGES libraries and projects repository website for CS college professors. I began the work of adapting their data structures related projects for use in my courses. Solving Java programming challenges using BRIDGES libraries has helped my students visualize and program with one- and two-dimensional arrays and linked lists. In this talk, we encourage/recruit high school teachers to try our adapted-for-high-school BRIDGES materials, and share in the joy of cool visualizations that make data structures come alive. Using one sample project, I will show how an engaging problem, scaffolded learning materials, and dynamic visualizations converge to facilitate student understanding of, and programming agility with, two-dimensional arrays.