Upon the Universal Declaration on Cultural Diversity adopted as off 2001 by UNESCO, UN Council has officially declared the World Cultural Diversity Day for Solidarity and Dialogue every 21 May as off 2002 to promote Cultural Diversity in all aspects. Including our 9 school members to this special agenda, we have arranged a webinar on ‘Education Models in Multilingual and Multicultural Schools’ with the presence and contribution by Hacettepe University Head of Department of Language Education and English Language Education, Prof. Dr. Nuray ALAGÖZLÜ. Concurently, we have organized colorful and interactive activities in our schools to promote our slogan fpr this day: “The world is nice with its all colours”.