WASHINGTON (AP) — Support for charter schools and private school voucher programs has gone up over the past year, with Republicans accounting for much of the increase, according to a survey published Tuesday.

The findings by Education Next, a journal published by Harvard's Kennedy School and Stanford University, come as Education Secretary Betsy DeVos promotes alternatives to traditional public schools.

Forty-four percent of respondents in the poll conducted in May said they support the expansion of charter schools, compared to 39 percent in 2017. The gain of 5 percentage points, however, did...