Here's a video of the Segundo Grado of Secondaria (They'd be something like Freshmen in High School) singing "Let It Snow":
And here is the grade above them ¨singing¨ ¨Jingle Bells¨:
Follow me as I join "an extraordinary group of Americans who have sought the challenges that are unique to Peace Corps service: the opportunity to live in a different culture, to learn a new language, and to forge lasting relationships with the people of Peru and fellow Volunteers" (taken from the Peace Corps Volunteer Handbook)