Series of mathematical contests organized by The American Mathematical Association of Two-Year Colleges (AMATYC).

Intermediate examination for the top scoring students from the AMC 10 and AMC 12. Site includes problem archive, publications.

Contest for students in grade 10 or below. Site includes results, publications, photos, awards, faq.

Contest for students in grade 12 or below. Site includes results, publications, problem archive, awards.

contest for middle school students in United States. Site includes results, past problems, statistics, photos, awards.

Results and past problems for the ARML, an annual national competition.

Competition regulations, past results, awards, and APMO Test Papers from 1989 to present.

Mathematical contest for school pupils from the countries situated in the Balkan region.

Information about the competition, results, and past problems.

History and problem sets.

The Subtrust (BMOS) and Committee (BMOC) pages with past problems.

Introduction to the major national competitions in Bulgaria. Features comprehensive sets of past contest problems.

Include results, past problems and solutions.

Organization that sponsors the Canadian Open Mathematics Challenge, the Euclid Contest, the Gauss Contest, with online workshop, problem archives, and other resources for students.

Annual mathematics competition for high school students since 1962.

Arrangements for the competition, posters and lists of questions (English/Flemish).

Hosted by the Furman University. Site includes past results and written problems.

Annual math tournament for high school students, held at MIT and at Harvard in alternating years.

Team lists, old problems and training details for high school students.

Annual event competed in by teams from different universities throughout Ireland.

Specializes in math contests, books, and computer software designed for students from the 4th grade through high school.

United States national math coaching and competition program for middle school students.

A problem solving competition for individual pupils in Scottish secondary and upper primary schools.

History and problem lists.

Annual math writing contest sponsored by the Nationa Mathematics Honor Society. Participants must be members.

National contest for the selection of the Norway IMO team. Contains history and problems.

Math olympiads for Polish high school students. Features problem archives from the Austrian-Polish Mathematics Competition, Baltic Team Contest, Poland Mathematical Olympiad.

Annual event held at Humboldt State University for all middle and high schools students.

The largest and oldest mathematics competition in Singapore. Contains schuedule, results, rules, and photo gallery.

Results, links, training guides and materials.

The official national mathematics competition of the country. It is a three round competition with interesting questions and prizes. Site contains background, contest information, past problems, and publications.

Qualifying round for the Canadian Mathematical Olympiad. Site includes registration and past problems.

CML offers a series of math meets for grades 2-9, a calculus league for the high school, and a Java computer contest.

The headquarters of all Math olympiad related activity in India. Located at the Department of Mathematics of the Indian Institute of Science, Bangalore. Provides informations on the Indian National Maths Olympiad and past contest problems.

Includes introduction to contest, news, memos, resources and on-line registration.

Mathematical problem solving contest named after the world famous Norwegian mathematician Niels Henrik Abel. Includes contest problems in downloadable format.

Rules, results, and training materials for the annual competition at the University of Cape Town.

Information and resources for the Putnam and the UIUC Undergraduate Math Contest. Includes practice problems and solutions. Maintained by Professor A.J. Hildebrand.

Final contest used for the selections of the U.S. IMO team. Site includes problem archive, publications, awards.