Claim: A national study of 2,500 charter schools shows that "maybe 20 percent do better than the community public schools, 40 percent or so do worse and the rest are not having any significant difference."
Fact-check: R.I. union leaders says national study shows 20 percent of charter schools perform better than traditional public schools and 40 percent perform worse
Verdict: true
Organisation: PolitiFact
Author: Lynn Arditi
Date published: 2011-09-01T00:00:00