Welcome to the 2026-2027 school year!

I am grateful for the start of the 2026-2027 school year and the excitement, hope, and maybe even a bit of nerves that a new school year brings. OCSI is excited and ready to partner with your family to equip our students to walk with Jesus and impact the world for Him. Our hope and prayer is that your child’s time at OCSI this school year provides rich opportunities to live out this mission each and every day.

Mr. Dan Pallmann
High School Principal

High School (Grades 9-12)

Our graduates are world influencers

Our classes are taught in English, and we use an American-style program that addresses the whole person, is Biblically based, recognizes that all truth is God’s truth, emphasizes sharing the Gospel and discipleship, and encourages Biblical thinking and living.

The OCSI high school program is designed for students in grades 9 through 12. The program provides a college preparatory curriculum that is both collaborative and challenging, culminating in a variety of AP course offerings and honors courses (English, Math). Core classes include English, Social Studies, Science, Math, and Bible. Elective courses include Physical Education, Japanese, Digital Tools, Music, Art, and Woodshop. In addition, each student receives a Chromebook as part of our 1:1 laptop program.

High School Teachers

Mr. Kubo

Social Studies

Mr. John

English

Dr. Vardhini

Science

Mr. Steele

Pre-Calculus, AP Calculus, AP Statistics

Mr. Cusumano

Woodshop

Mr. Scalberg

Social Studies

Mr. Gaghansa

Physics, Pre-Calculus, Algebra II

Ms. Atienza

Math

Mr. Claxton

Social Studies

Ms.Garcia

English, AP English

Mr. Heisey

Bible

Mr. Logan

Marine Biology

Ms. Rush

Consumer Math

Mrs. Aoki

Japanese

Mrs. Donaldson

Japanese

Mrs. Masuda

Japanese

Mrs. Touma

Japanese, AP Japanese

Mrs. Cloud

Drama, Resource

Mr. Groves

AP Computer Science Principles, AP Computer Science A

Mr. Mahaffie

Physical Education

Mr. Reed

Art, Art History

Mr. Smith

Music

Mr. Baker

Physical Education / Athletic Director

Mrs. Moyer

Librarian

Mrs. Pallmann

Librarian

Mr. Roe

Chaplain / Counselor

Mrs. Lopez

Counselor

Mrs. Sartore

Resource / Counselor