{"version":"1.0","type":"rich","title":"Largest Participating MA Districts in AP Test (tests taken per district) by year","description":"This stacked bar chart shows the number of AP tests taken by the largest participating Massachusetts school districts each year, with each stack segment representing a unique district. The visualization uses the Vega-Lite API to encode the year on the x-axis, test count on the y-axis, and district as the color, with tooltips revealing school names. Data is loaded from a CSV file hosted in a GitHub gist, sourced from the MA DESE AP participation dataset, and rendered using the vega-lite and vega libraries with custom configuration for axis styling.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/3ba1ef9ee8fb42a691a5f10d0835eda2?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}