Photo by javier trueba on Unsplash woman carrying white and green textbookThe education website Niche has released its list of the Best Public High Schools in Idaho for 2026, ranking 255 public high schools across the state. And if you live here in the Treasure Valley, you’ll probably recognize quite a few names near the top. Idaho's Top 20 Public High Schools 2026 Gallery Credit: Cory MikhalsThe Treasure Valley Shows Up BigOne thing that really jumped out to me when I read the list, is just how many Treasure Valley schools appeared there. 14 of Idaho’s Top 20 public high schools are located right here in Ada or Canyon County. We have traditional public schools, charter schools focused on medicine, technology, International Baccalaureate programs and early college opportunities.