Griffith cited research done by Stanford University’s Center for Research on Education Outcomes (CREDO), which researches the impact of charter schools and other education policies across the country.
In 2013, CREDO released a broad survey of charter schools in 27 states, which found that approximately a quarter of charter schools out-performed local public school options in reading and math, while 31 percent fared worse in math outcomes and 19 percent fared worse in reading. While CREDO found variable outcomes overall, they found charter enrollment is “especially helpful” for students in poverty, black students and English language learners. In 2015, a CREDO study found that charter schools also outperformed public schools in urban areas. Read the full article here.