- American International School-Riyadh (AIS-R) P.O. Box 990, Riyadh 11421 Kingdom of Saudi Arabia, Phone 966-1-491-4270, Fax 966-1-491-7101, e-mail: registration@aisr.org. The American International School - Riyadh is an independent, co-educational day school which offers an enriched North American curriculum for grades K1 - 12. The school was founded in 1963 and is accredited by the New England ...www.aisr.org