IES San Isidro

The Instituto de Enseñanza Secundaria San Isidro (IES San Isidro) is a historic public secondary school located in Madrid, Spain, on the historic Calle de Toledo. Established in the 14th century, it is recognized as the oldest non-university education center in Spain and has evolved from a boys' school to a coeducational institution. The school has educated eight Spanish prime ministers and four Nobel Prize laureates, earning the nickname 'nanny' of Spain's statesmen. Its heritage includes a baroque cloister, a chapel, and a museum dedicated to science and education, making it a significant site for both tourists and researchers interested in Spain's educational history.