Tyler comes from a wealthy background, as his family owns a mansion, and he can pay Mei 200 dollars without hesitation yet he goes to the same middle-class middle school as Mei and her friends. (From “Turning Red”)
Rancho Carne seems to be a wealthy neighborhood where very nice houses are the rule, but Darcy stands out because she's known to be able to secure money from her father so reliably that she can guarantee the rest of the Toros $500 to help finance hiring professional choreographer Sparky Palastri. (From “Bring It On”)
Sharpay and Ryan Evans, whose wealthy parents own a country club, still go to the largely middle-class East High just like Troy, Gabriella, and others. This is especially evident in the second movie, where practically all of their classmates work at their parents’ country club doing summer jobs. That said, Sharpay is far more prone to flaunting the family's wealth than Ryan is. (From “High School Musical”)
Harry Osborn, despite his dad being rich enough to be driven in a vintage Rolls Royce, goes to the same public high school as the financially struggling Peter Parker. It's explicitly because Harry’s been kicked out of every private school Norman could send him to. There’s also the matter of the school being a stand-in of The Bronx High School of Science, which is quite a prestigious school in its own right. (From “Spider-Man”)
Sugar Motta, whose extremely rich piano business owner father may or may not be in The Mafia. She's rich enough to easily help fund the school’s glee club, New Directions, for Regionals and to have her own glee club, The Troubletones, with Shelby Corcoran as its director, but still attends the public school of McKinley High, just like the rest of New Directions. (From “Glee”)
London, the daughter of the extremely wealthy Wilfred Tipton. While she was originally in a Catholic School with Maddie, she was later transferred to a public school as it was the only school she'd not yet been expelled from. She continues going to public school when traveling on the S.S. Tipton, along with all the other students. (From “The Suite Life”)
Fiona and Declan Coyne come to Degrassi in season 9 as this. They spend some time being at the center of several plots because of their wealth, such as Holly J. stealing from Fiona to pay for a private tutor and Declan in turn trying to rekindle his relationship with Holly J. by offering to help her financially. In season 12, it’s flipped when the Coynes lose their wealth after a scandal and Fiona is broke until the end of her tenure on the show. (From “Degrassi: TNG”)
Miles Hollingsworth III is introduced in season 13 to fill the role. The Hollingsworth mansion ends up being a major hang-out spot for the rest of the series thanks to its expansive grounds and big pool. (From “Degrassi: TNG”)
Even though Dash and Paulina are both wealthy and go to the same public high school. Sam is definitely the most baffling, as she seems to be the wealthiest kid there and has very prim, socialite parents who'd definitely be the types to want to send their rebellious daughter to a private school. (From “Danny Phantom”)
Courtney is your typical airhead, flaunting her riches and fancy clothes, while her little brother Blake actually seems to like getting his own money, even if just to show that he can. (From “As Told By Ginger”)
Trixie Chang, Veronica, Tad, & Chad are group of four kids that are so wealthy that they can pay to have separate areas for them in school like a cool booth at the cafeteria, cool restrooms, and cool seats in the bus (which consists on a dance floor and a jacuzzi.) From “The Fairly OddParents”)
Rhonda Lloyd is always flaunting her wealth and her parents are so rich that they considered having to sell a yacht to afford their honeymoon a “financial crisis” in spite of it being just one of the three they owned at the time, yet she attends P.S. 118 along the other kids. (From “Hey Arnold”)
Chloé is the daughter of the Mayor and Adrien is the son of a fashion tycoon. They (Chloé especially) tend to show their privileges a lot around school (like arriving in limousines) yet we are not given any indication that any other of the kids are that well off. (From “Miraculous Ladybug”)
Diamond Tiara’s family is very wealthy, but she still attends the same school as every other foal in Ponyville, likely because it's the only school in town. (From “MLP: FIM”)
Princess Morbucks is a rich Spoiled Brat who first debuted as a New Transfer Student to the same public kindergarten the Powerpuff Girls and other normal students attend. In later episodes of the original show, they were rather vague about whether Princess was still attending Pokey Oaks or left (for another school or prisoner). (From “The PowerPuff Girls”)
Veronica Lodge is the usual token rich kid of fictional media, serving as the blueprint for the archetype across comics, television, and pop culture. As the billionaire heiress to the Lodge Industries fortune, her staggering wealth is a core driver of her identity and storylines. (From “Riverdale”)
Tolkien Black pulls double-duty by being the only rich kid in school as well as the only black kid. In the episode “Here Comes the Neighborhood,” Cartman complains because Token’s resources enable him to produce better schoolwork. Token begins to feel like an outcast and campaigns for more rich kids to move to South Park, attracting wealthy families who just happen to be black. (From “South Park”)
Richie Rich has everything material but lacks ordinary friends. His plot line revolves around trying to fit in with a group of normal, neighborhood kids who play sandlot sports, highlighting the stark contrast between his hyper-luxurious lifestyle and their everyday lives. (From “Richie Rich”)