Dia de los Muertos
Dia de los Muertos - National Geographic Education (for students)
"Who Celebrates Dia de los Muertos?" - National Geographic Education blog (for teachers)
Smithsonian Latino Center's Theatre of the Dead - Smithsonian - includes activities for students plus information and lesson plans for teachers.
Articles
Mexico's Cemeteries Host Día de los Muertos Parties - National Geographic
Day of the Dead history: Ritual dating back 3000 years - AZCentral (Arizona Republic)
Border families worry Halloween is overshadowing Dia de los Muertos - KHOU-TV Houston