Everyone is invited to join us for day of music, food, games, prizes, and special guest speakers at the Castro Valley Family Summer Festival. The event will take place at the Castro Valley High School Sports Stadium. Admission is free and a suggested donation for the high school of $10 per family is requested but is not mandatary for entrance. Net proceeds from donations will benefit Castro Valley High School Directly. For more information you may contact the office at (510) 889-1304.