Brea Olinda Unified School District is a place where students are inspired to strive for high goals, become responsible, cont ... ributing citizens, and continue learning all their lives. The District serves TK (transitional kindergarten) through twelfth grades (TK-12) as well as offers early childhood programs through our Department of Child Development Services. Currently, there are six elementary schools, one junior high, one high school and one continuation high school for a total of nine schools. The District currently serves approximately 6,000 students. read more