High School Fed Challenge
Teams research an assigned economic theme (2025-26: "economics of music") and write podcast scripts, with top entries published in the Fed's Journal of Future Economists.
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National Economics Challenge
Teams tested on micro/macroeconomic principles and world economy knowledge across state, semifinal, and national rounds.
American Philosophy Olympiad
High schoolers write a proctored philosophical essay (in French or Spanish); top two scorers represent the USA at the International Philosophy Olympiad.
DuPont Challenge Science Essay Competition
Students write a 700-1,000 word essay on one of four topics, including "protect people and the environment," competing nationally for savings-bond prizes and an awards trip.
High School Health Research Challenge (HSHRC)
A virtual competition run by the High School Health Research Forum in which full-time students in grades 9-12 worldwide submit original, evidence-based proposals addressing a societal health issue; the 2026 season was listed as forthcoming as of this research.
International Public Policy Forum (IPPF)
Teams of 3-6 research and write a policy debate brief on a global issue, advancing through written elimination rounds to live oral debates in NYC.
InvestWrite
Stock Market Game participants write an individual investing essay judged by financial professionals, with national recognition for top finalists.