Sri Ayudhya School was established in 1951 under the name Rang Nam School and was renamed by the Ministry of Education in the same year. In 1996 it became a coeducational school under the patronage of Princess Bejaratana Rajasuda. The vision of the school is to develop students with morality, excellence in language and technology, and a love of the monarch and religion. The mission is to encourage high quality teaching, support student learning and development in languages, maths, science, technology and art, and foster thinking through practice and experience. The school's philosophy is that wisdom is humanity's greatest treasure.