In Soaring Systems (pdf), Linda Darling-Hammond argues for commonality.
High-performing countries have created coherent education systems in which all students have equally well-resourced schools, learn the same core content, and benefit from uniformly well-prepared teachers.
Equality of Educational Opportunity (pdf) is a myth write William H. Schmidt, Leland S. Cogan, and Curtis C. McKnight.
Despite being known as the land of opportunity, the United States is far from equitable when it comes to the mathematics that students have the opportunity to learn.
“Without a defined K-12 curriculum for teachers to master, education schools tend to offer generic advice, not grounded content and pedagogical knowledge,” writes David K. Cohren in Learning to Teach Nothing in Particular (pdf).
There’s more from Diana Senechal, E.D. Hirsch and Laura Hamilton.