Board Thread:The Quarters (Q & A)/@comment-98.26.148.245-20140127181513/@comment-24424757-20140127214251

As far as I know, there is currently no way to auto-sort To-Dos, but there are a few similar suggestions on Trello where you might put in your 2 cents and your vote:

SORT: Auto option

SORT: Push to top

Also tangentially related:

Dailies: Hide Completed option