Grade Retention Links [updated]

Dan Willingham has more on studies of the effect of grade retention on student achievement.

Over at Joanne Jacobs, there is a comment thread on retention prompted by a link to Willingham’s blog post.

For previous links to arguments for and against grade retention policies, see here.

Update:  Matthew Ladner over at Jay P. Greene’s Blog links to an Education Week article about third grade retention.

Update 2: A letter to Iowa legislators from Scott McLeod.