Pioneer High School is a public high school located in San Jose, California. It is part of the East Side Union High School District and serves students in grades 9 through 12. The school offers a variety of academic programs, including Advanced Placement (AP) courses, to prepare students for college and career readiness. Established in 1997, Pioneer High School features modern facilities and a diverse student body. The school emphasizes extracurricular activities, including sports, music, and clubs, to promote student engagement and community involvement. Its mission is to foster a supportive learning environment for all students.