The first public draft of grade-by-grade common standards was released last week to a mix of praise and skepticism, illustrating both the mounting consensus that the country needs to set higher expectations for all students and the many problems that complicate their adoption. An earlier standards document, released last fall, outlined a set of…

The latest draft of proposed common academic standards offers more-detailed expectations of what students should know and be able to do by the end of high school in math and language arts, but also notes that some decisions about curricula should be left to individual states and schools. The new version, released for public comment last week, is…