A child booster seat (meant for toddlers and kids under 75 lbs or 48 inches tall) appears in the family's station wagon for a second for unknown reasons, even though the kids are 11 and 8 years old and would have already outgrown them and exceed the maximum height and/or weight to be able to sit in them.
During Observation, Brandon and Caila procrastinate with their homework and that they have to take exams the following day - the day of the Parents' Meeting when Jo Frost sits down to have a talk with their parents. It has never been explained about whether or not if the kids flunked their exams.