Janessa Garibay, 5, of Oakley, above, acts like a fish, during the singing of "Slippery Fish" during the first day of kindergarten at Iron Horse Elementary School in Oakley on Wednesday. At right, Kimbiri Johnson, center, 5, of Oakley is a bit reluctant about singing "My Mother is a Baker" as other students in her kindergarten class show faces as they sing at Iron Horse Elementary School during the first day of school for Oakley students. Knightsen's first day was Monday, while Brentwood and Byron's first day was Tuesday and Antioch's students return to school on Aug. 15.

DAN ROSENSTRAUCH/STAFF photos