{"version":"1.0","type":"rich","title":"Largest Participating MA Districts in AP Test (tests taken per district) by year","description":"A viz from VizHub","provider_name":"VizHub","provider_url":"https://vizhub.com/","html":"<iframe src=\"https://vizhub.com/erikerickson/8b36ca3fe19b41928c5e83518bf4ae53?mode=embed&embed=branded\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"no\"></iframe>","width":960,"height":500,"cache_age":3600}