'Won't Back Down': Gyllenhaal, Davis fight for kids in trailer - watch
The 20th Century Fox drama stars the pair as two mothers whose kids are being failed by the education system.
Based on a true story, the movie sees Gyllenhaal and Davis take on the failed public school system and institute a charter school for children in the neighborhood.
Oscar Isaac, Holly Hunter, Rosie Perez, Lance Reddick and Emily Alyn Lind will also appear in the Daniel Barnz-directed film.
Gyllenhaal will next be seen with Hugh Dancy in Hysteria.
Oscar-nominated Help star Davis is in line to appear in Ender's Game, Beautiful Children and a Barbara Jordan biopic.
Won't Back Down will debut on September 28.