Delaware Interscholastic Athletic Association Lacrosse

The Delaware Interscholastic Athletic Association (DIAA) governs boys’ and girls’ high-school lacrosse state championships in Delaware. Its official platform provides tournament manuals, brackets, results, policies, championship logistics and streaming information. In 2026, each state tournament began with a sixteen-team field and concluded at Caesar Rodney High School on 30 May; the association published live semifinal and championship coverage through the NFHS Network.