Charter schools' math score gains as compared with those of public schools, 2013 Indistinguishable 40% Superior 29% Inferior 31% Source: CREDO (2013), 57 Share Share on Facebook Tweet this chart EmbedCopy the code below to embed this chart on your website.<iframe width="100%" height="460" src="https://www.epi.org?p=63806&view=embed&embed_template=charts_v2013_08_21&embed_date=20240425&onp=63848&utm_source=epi_press&utm_medium=chart_embed&utm_campaign=charts_v2" frameborder="0"></iframe> Download image View the underlying data on epi.org.