Mission. 1  The International BaccalaureateÂ® (IB) is more than its educational programmes and certificates. At our heart we are motivated by a mission to create a better world through education. 2  The International BaccalaureateÂ® (IB) is led by the Board of Governors, the Director General and the Senior Leadership Team (SLT).
Hallmark definition, an official mark or stamp indicating a standard of purity, used in marking gold and silver articles assayed by the Goldsmiths' Company of London; plate mark. See more. Dictionary.com
uk â /ËkÉË.nÉ.stÉÊn/ us â /ËkÉËr.nÉ.stoÊn/. âº a stone in a corner of a building, especially one with the date when the building was made or other writing on it. âº something of great importance that everything else depends on: In most countries, the family unit is still the cornerstone of society. Thesaurus: synonyms and related words.