Number of students being held back plunges over past decade
Desecret News, December 17, 2014

Number of students held back sees sharp decline
Education Dive, December 15, 2014

Student retention rates declining in U.S.
EdSource, December 14, 2014

Big Drop In Students Being Held Back, But Why?
NPR, December 12, 2014

Nationwide Grade-Retention Rates Have Dropped, New Study Finds
Education Week, December 11, 2014

Percentage Of Students Held Back A Grade Plunges
Huffington Post - Parents, December 11, 2014

Community College Programs Can Lead To Big Payoffs — In The Right Fields
NPR, December 11, 2014