When Hasegawa transferred to Castro Valley High School in 2021, he told the school’s newspaper, The Olympian, he was excited to be around many of the same students he’d known at the middle school.

Parents in Castro Valley are criticizing school administrators for delaying an investigation amid signs of improper behavior by a high school music teacher charged with sexually abusing a student.

CASTRO VALLEY, CA — Three students who attend Castro Valley High School were named National Merit Scholarship semifinalists, the National Merit Scholarship Corporation announced. The students ...

DUBLIN — The former Castro Valley High School music teacher charged with sexually abusing a student has turned himself in to authorities and is in custody at the Santa Rita Jail in Dublin, the ...