 NOS was founded by – and operates under the umbrella of – the Orthodox Educational Society (OES), a national not-profit, charitable organization which has among its philanthropic aims the establishment and administration of schools and other educational institutions throughout Jordan.Established in 1957, NOS was the first co-educational school in the country.Operating out of a rented building in the Jabal Amman, they began with only 70 students and four teachers in three grades (KG1 - Grade One).