This dual-language school is in Encinitas, California. Four kindergarten and first-grade classes are using the dual-language approach in English and Spanish. In kindergarten and first grade, students receive 90 percent of their instruction in Spanish and 10 percent in English. In second grade the distribution shifts to 80 percent and 20 percent, before reaching a 50-50 balance by fifth grade. There are at least 150 dual-language programs in California.