If you prefer accommodations in Hotel, you can take a look at the following Hotel information and links.
Although there are few hotels right near the school location, in the center of Cuernavaca there are many you can choose from which would allow for fairly easy travel to the school location. You can ask E.I. to reserve a room for you, or just make reservations on your own.
Hotel Papagayo is an inexpensive hotel, clean and recommended.

The hotels listed below are in the center of Cuernavaca and are moderately priced. Rather easy travel to the school location.
Posada Maria Cristina
Posada Tlaltenango
Las mañanitas. Luxury hotel, some think the best in Cuernavaca.