Portland, OR · K–8
Last verified August 20, 2026
2305 S Water Ave, 97201 · (503) 226-2496
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 These details were collected from the school's own website and may be out of date — always confirm tuition with the admissions office.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.
Know the numbers? Add them below and we'll verify against the school's tuition page.
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.
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).
What parents are saying
Sign in to post or upvoteLoading…
Ask a parent
Anyone signed in can ask. Only verified parents at this school can answer.
Sign in to ask a question or answer one.
Loading questions…
Work at this school?
Claim this profile to correct tuition, add a welcome note, and link your admissions portal. Free, and verified by a moderator.
Claim your profile