Halloween Costume Ideas in 2026 For Teenage

Teenage costumes lean on recognizable school-life staples, backpacks, letterman jackets, a very specific decade-coded vibe depending on the character. Annabeth Chase's camp look, Jamie Hughes's throwback style, Debbie Thornberry's grunge, the age reads before the character does.

Most of this comes from a regular closet, plus one or two accessories that pin down the decade or character. It's one of the cheaper tags to build from on the whole site.