Specifically for girls, channels focusing on dominate. Creators like Karen from "Lalaleyla" or Mica Suarez (Argentina) produce "get ready with me" videos, school supply hauls, and, most importantly, historias de secundaria —real or exaggerated tales of embarrassing moments, friend drama, and crushes. The authenticity of these creators—they film in their bedrooms, use natural lighting, and admit to their flaws—stands in stark contrast to the polished telenovela star. For a niña de secundaria , a YouTuber is not a celebrity; she is an "older sister."

The rise of ninas de secundaria in Spanish language entertainment can be attributed to several factors. One reason is the growing demand for content in Spanish, particularly among young audiences. According to a report by the International Journal of Hispanic Media, the Hispanic market is one of the fastest-growing demographics in the United States, with a projected buying power of $1.5 trillion by 2025.

The entertainment ecosystem for ninas de secundaria in the Spanish-speaking world is not monolithic. A girl in a colegio in Bogotá might start her day watching a TikTok skit about a strict prefecto , listen to Karol G on the bus, fight with her friends over who is the best character in Élite during lunch, and end the night writing Rebelde fanfiction on Wattpad.