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International School Of Portland

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Portland, OR · K–8

Last verified August 20, 2026

2305 S Water Ave, 97201 · (503) 226-2496

www.intlschool.org

Enrollment

286

Student:teacher

7:1

Published tuition

Not listed

Application fee

Auto-sourced profile. These details were collected from the school's own website and may be out of date — always confirm tuition with the admissions office. Something wrong? Suggest a fix.

Tuition by division

We don't have a grade-by-grade tuition breakdown for this school yet. Most independent schools charge different rates for preschool, elementary, middle and upper school.

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Head of school

Bodo Heiliger

Head of School

Curriculum & special classes

The International School of Portland offers a rigorous academic program taught primarily through a second language (Japanese, Chinese, or Spanish) using an inquiry-based learning approach. It is an authorized IB World School, the first in the Pacific Northwest, focusing on student-led inquiry.

Language and Cultural Immersion
Inquiry-Based Learning
IB Program
Capstone Study Abroad
Small class sizes

Financial aid

Tuition support, also known as financial aid, is available based on demonstrated need and is provided as grants and tuition discounts. The school uses FACTS to evaluate applications, and the average award in 2023-24 covered roughly one third of tuition for families with an average household income over $100,000.

Before & after school care

Before school

Not listed

After school

Global Kids Extended-Day Program, Enrichment Clubs & ISP Athletics.

Cost

Not listed

Extended-care hours and rates change yearly — parents can correct these below.

Admissions

Applications are accepted starting in September of the year prior to the student's start date. Admission offers are made on a first-come, first-served basis, with enrollment contracts mailed in February and due back by the end of March with a non-refundable deposit. Applications received after April are considered if space is available.

Apply by

Not listed

Acceptance rate

Not listed

Application fee

Not listed

What they ask for: PreK: must be 3 years old and potty-trained. LowK: must be 4 years old by September 1. Kindergarten: must be 5 years old by September 1 and submit a teacher recommendation. Grades 1-5: transcript, teacher recommendation, and language assessment (Grades 2-5 must demonstrate grade-appropriate language fluency).

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