The Instituto de Enseñanza Secundaria San Isidro, formerly known as the Imperial College of Madrid is a co-educational day school for pupils from 12 to 18 years of age. It is located in the historical Calle de Toledo in Madrid, Spain.
- Country
- Spain
- Inception
- 1845
- Website
- http://ies.sanisidro.madrid.educa.madrid.org/mapaweb.htm, https://site.educa.madrid.org/ies.sanisidro.madrid/