There's a close-up shot of a New York Times article about the bus driver. The article says he works for the Metropolitan Transit Authority. The correct name is the Metropolitan Transportation Authority.
When Lisa comes home after the accident, throws up and hugs her mother, there's no blood on her arms and hands. In the next shots under the shower, there is plenty.
When Paul is at her home, his sleeves are rolled up, and when the camera is in front of him the sleeves are down.
The front and back of the door to the driver's house do not match.
On Lisa's geometry test, question 2 doesn't make sense. It should read "find WA" or "find WY".