Oster Elementary School is located in suburban West San Jose and is part of the Union School District. The school reflects a community rich in cultural and ethnic diversity. Union School District encompasses seven square miles of single family and multiple unit homes. Its’ students attend one of the six K-5 elementary and two 6-8 middle schools. Current enrollment for Union School District is approximately 5700 students.

The District has two preschool Special Education classes, and eight Special Day Class programs for K-8 students. The County Office of Education programs for children with autism, hearing impairments, and severe disabilities. Oster proudly shares their campus with the County’s Deaf and Hard of Hearing program. A group of students from this program are completely mainstreamed into Oster classrooms with the assistance of signing interpreters. The entire DHOH study body is integrated into Oster’s lunch and recess programs with great success.

Oster takes enormous pride in the level of high quality parent participation on campus. This invaluable resource assists in helping teachers deliver a quality program and ensuring student success. Under the direction and leadership of the School Site Council and Home and School Club parents and members of the Oster Ecosystem are provided with a multitude of opportunities for valued involvement.

Oster’s many traditions have evolved from a strong belief in the need to draw upon multiple forms of intelligence while providing opportunities for student expression and recognition. Many activities and services are delivered to help promote a well-rounded educational experience for students at all levels of need and ability.