SEDL
Sedl:paso Partners Integrating Math, Science & Language
Contains a plethora of elementary bilingual education lessons and activities! Includes a curriculum plan, instructional strategies, activities, suggested teacher and student materials, and more. Each unit includes a Spanish translation!
Yale University
Yale New Haven Teachers Institute: Popol Vuh
This unit is geared towards grades 4-8, but could be used with ESL high school students. Contains lesson plans integrating language arts and social studies, with a bibliography, a play, recipe, and a reading list for students.