This is the first time they were seen together after announcing to live separately in June last year.
As the fall semester begins, Affleck and Garner were seen on Tuesday as they made sure their three children got off to school safely, according to Daily Mail.
Several weeks before, they and their children were in Montana to celebrate his 44th birthday. A source tells Daily Mirror that Affleck and Garner are considering to be together again. .
"She still feels conflicted and she's only telling close friends that she's started to open up to the idea that they could get back together, " said the source.
"She thinks they have a long road ahead of them, but Ben is already proving to her that he's committed to changing," the source added.
Garner and Affleck started their relationship after co-starring in the 2003 superhero movie "Daredevil." They made their first public appearance as a couple in October 2004 when they attended Boston Red Sox's opening World Series games.
The have been the darling of media, who called them "Bennifer."
They married on June 29, 2005 through a private ceremony at a Parrot Cay resort on the Turks and Caicos Islands. Victor Garber, who played with Garner in the movie "Alias" officiated their wedding.
After 10 years of marriage, they announced to split but committed to co-parenting their three young children - Violet, Seraphina and Samuel. Up to now, neither of them filed for divorce.
Garner has just finished shooting her new film "Wakefield" as reported by Entertainment Weekly. Ben Affleck is busy filming his role as "Batman" in DC Comics franchise movies.