California Treasures is a research-based reading and language arts program for Grades K-6 that: builds a lifelong love of reading through explicit systematic instruction coupled with time-honored classics, contemporary nonfiction, and rich literature; addresses the four key aspects of language arts every day: listening, speaking, reading, and writing; integrates print resources with digital resources providing teachers with options for teaching styles; offers an equitable parallel Spanish program, California Tesoros de lectura; follows California's revised English language development standards by incorporating the required English language support into the program and providing a complete English language development component to assist students transitioning into English.