Regarding the Homestay, it gives you possibility to practice and improve significantly your Spanish while staying with a lovely Bolivian family. (lunch not vegetarian) Introduction to School and Family is from Monday until Saturday 12:30 pm except on Sundays.
Homestay Prices
It costs 19 USD (130 Bolivianos) per night, this price includes breakfast, lunch, free kitchen to prepare your dinner, private bedroom, shared bathroom with one or two other students, internet access.