Columbia International School offers US Curriculum, Advanced Placement (AP) and Canadian Curriculum.

Annual tuition at Columbia International School ranges from ¥1,612,500 to ¥1,935,000 (JPY), depending on the grade level.

In addition to tuition, Columbia International School charges a registration fee of ¥25,000.

CIS uses a rolling, term-by-term admissions model with two main application windows each year. Applications for Kindergarten and Elementary open July 1–31 (first round) and October 1–31 (second round); Junior and Senior High applications open October 1–31 (first round) and January 4–31 (second round). Required documents include application forms, four ID photos (4×4 cm), transcripts from the past three years, and an application fee of ¥25,000. After submission, applicants are contacted to schedule an admissions exam and interviews with both the student and parents. English proficiency is not required for new K1, G1, G7, and G10 entrants. Key selection criteria include understanding of CIS philosophy, willingness to take on challenges, and independent learning habits. The acceptance ratio is approximately 1.2–1.3×, indicating a moderately accessible process. A waitlist system operates when classes are full.

The application deadline for Kindergarten & Elementary First Round Application Deadline is 2025-07-31.

Columbia International School is located in Saitama, Japan.

Columbia International School accepts students from age 3 to 18.

Columbia International School has approximately 270 students from 21+ nationalities.

Yes, Columbia International School offers a school bus service. Fleet of school buses serving Saitama Prefecture and northern Tokyo. Routes available for students commuting to the Tokorozawa campus.