Continuity mistake: In the scene with the regional spelling bee, Akeelah's turn is before Javier's. Then, when Akeelah's mother pulls her out into the hall, Javier's turn appears to be before hers as he stalls for time so Akeelah will not be disqualified. (00:56:35 - 00:58:55)
Continuity mistake: When Raven is attacked by the shadow creature in the graveyard, it leaves a number of smears (ink) on her cloak. But as she proceeds to phase through the tombstones in an attempt to shake it off, the smears have vanished.