'''Basic Trope''': For some reason, a character goes to school with people significantly older than he/she is.
* '''Straight''': Bob is ten, but is starting high school.
* '''Exaggerated''': Despite being an infant, Bob has a [=PhD=] in astrophysics from Harvard.
* '''Downplayed''': Bob is one year ahead in school because his parents felt he was ready to start kindergarten early.
* '''Justified''': Bob is two grades ahead in school because he had tested out of second grade into fourth.
* '''Inverted''': Bob is HeldBackInSchool.
* '''Subverted''':
** Bob scored 200 on an IQ test, but he still struggles in his grade and is not moved up.
** Bob is [[OlderThanTheyLook older than he looks]].
** Bob is the only one who [[HeldBackInSchool isn't redoing the class]].
* '''Double Subverted''':
** Bob scores 200 on an IQ test, but he's failing multiple classes. Despite that, he is accelerated in school.
** Bob is [[OlderThanTheyLook older than he looks]], but still skipped one grade (even though it looks like he skipped four).
* '''Parodied''': Bob gets Grade Skipped because the high school wanted his premature abilities at football.
* '''Zig Zagged''': Bob gets Grade Skipped, but then, years later, is HeldBackInSchool.
* '''Averted''': Bob is seventeen and entering his senior year of high school.
* '''Enforced''': The need for a KidAppealCharacter adds twelve-year-old Bob to the main cast of high-schoolers.
* '''Lampshaded''': "Isn't it strange that we're all sixteen but we hang around with a kid half that age? He should be in elementary school."
* '''Invoked''': A character applies this trope to his or her child after learning that his or her test scores are far above the other children's scores.
* '''Exploited''': Due to his grade acceleration, [[AdorablyPrecociousChild Bob acts much older than he is and tries to get people to treat him as if he really is older]].
* '''Defied''':
** A school administrator says, "[[ThisIsReality I know they move all the smart kids ahead in fiction, but all children should have peers their own age.]]"
** ''Bob'' resists any and all attempts to get himself skipped a grade because he enjoys the fun and innocence of childhood.
* '''Discussed''': "I know that Bob's still a kid, it doesn't necessarily make him the smartest person in the whole school."
* '''Conversed''': "There's always an annoying kid in every show set at college."
* '''Implied''': Despite the fact that it's never stated that Bob is a GradeSkipper, the actor playing Bob looks like he's ten years old, and it's canon that Bob still plays with Legos.
* '''Deconstructed''': Bob becomes depressed after realizing that he is unable to make friends with anyone else at school.
* '''Reconstructed''': Despite having no friends, Bob isn't interested in socializing, and continues his academic studies normally.
* '''Played For Laughs''': The series focuses on Bob's lack of knowledge about teenage and adult life.
* '''Played For Drama''': The series focuses on the isolating elements of it, or Bob's struggles to keep up with his older peers.
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