Title IX is a federal civic law in the U.S. which prohibits sex discrimination in education, therefore allowing women to compete in sports.

CNN: STORY HIGHLIGHTS

In response, affirmative-action opponents developed an initiative to amend the Michigan Constitution to prohibit race- and sex-based discrimination or preferences in public education, employment and contracting.

WSJ: Supreme Court to Hear Michigan Affirmative-Action Case

The Convention against Discrimination in Education stipulates that all persons, regardless of race, colour, sex, language, religion, political or other opinion, national or social origin, economic condition, or birth, have the right to receive an equal standard of and access to education at any level.

UNESCO: UK National Commission for UNESCO - UNESCO Conventions, Recommendations & Declarations in the UK