Just 23 percent of charter students scored proficient in language arts, compared with 31 percent in public schools overall. That’s a greater gap than had shown up in last year’s exams.
In math, charter schools beat the public school average in each of the past two years — but not this year. On the new tests, just 31 percent of charter students scored proficient, the same as in public schools overall.

Results were mixed at some of New York City’s most highly touted charter schools, often acclaimed as “miracle” schools because in years past, so many of their mostly poor and minority students aced the state’s proficiency tests. —Stephanie Simon