ISBN-13: 9780807753415 / Angielski / Miękka / 2012 / 264 str.
ISBN-13: 9780807753415 / Angielski / Miękka / 2012 / 264 str.
Argues that the greatest source of variation in opportunity to learn is not between local communities, or even schools, but between classrooms. It zeroes in on one of the core elements of schooling - coverage of subject matter content - and examines how such opportunities are distributed across the millions of school children in the United States.