Water Environment Federation (U.S. Stockholm Junior Water Prize)
A research competition for high school students with water-related science projects: state winners advance to a U.S. national final and the national winner represents the U.S. at World Water Week in Stockholm.
The Wisconsin state championship of Science Olympiad for high school (Division C) teams, held April 3, 2027 at a host site to be announced; top teams can advance to the national tournament.
Ho Chi Minh City University of Technology (HCMUT, VNU-HCM)
Cuộc thi khởi nghiệp và đổi mới sáng tạo quốc tế của Trường Đại học Bách khoa – ĐHQG-HCM; bảng E&I truyền thống mở cho các đội học sinh THPT, sinh viên và nhóm khởi nghiệp, không giới hạn lĩnh vực ý tưởng.
Nevada SkillsUSA's 2027 state event where high-school members compete in technical, skilled-trade and leadership contests (construction, automotive, manufacturing, IT, health, culinary, public speaking and more) and attend leadership sessions; top finishers can qualify for the national SkillsUSA event.
Kansas HOSA's 2027 state conference where high school members compete in health science competitive events (health knowledge, clinical skills, emergency preparedness, leadership) and attend leadership workshops; top finishers can qualify for the HOSA national conference.
North Carolina's statewide high-school mock trial competition, run by the North Carolina Mock Trial Program: school teams argue an original case as attorneys and witnesses, advancing from local rounds to the state finals; the state champion represents North Carolina at the National High School Mock Trial Championship.
Washington History Day — Office of Superintendent of Public Instruction (OSPI), with the Washington State Historical Society
Washington's state-level National History Day contest, where students present original historical research on the 2027 theme "Innovation in History: Impact, Influence, Change" and compete for spots at the National Contest.
An annual public-policy and economics essay contest with cash prizes, open to high-school and university students in Canada and Canadians studying abroad.
Nevada Center for Civic Engagement — National History Day in Nevada
Nevada's state-level National History Day contest, where students present original historical research on the 2027 theme "Innovation in History: Impact, Influence, Change" and compete for spots at the National Contest.