Excellent
#175 of 2,225 schools in WA
Top 8% in state
International School
High School · Bellevue School District
445 128th Ave SE, Bellevue, WA 98005
Enrollment
597
Student-Teacher
19.9:1
Score
8.5
Grades
6th – 12th
Enrollment
597
Student-Teacher
19.9:1
Score
8.5
Grades
6th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Bellevue
#4 of 27
public schools
Washington high schools
#6 of 476
In district
#4 of 28
Bellevue School District
Equity
9.8 / 10
Exceptional
About International School
International School is a public school in Bellevue, Washington, serving grades 6 through 12. With 597 students enrolled, it earns a composite score of 9.2 out of 10 — a rating labeled Exceptional — anchored by a 9.6 academic score and a 9.2 growth score. Those numbers place it at the top of Washington's public school rankings.
The school ranks #1 among all 476 public high schools in Washington state and #2 of 29 public schools in Bellevue. It outperforms 98% of public schools statewide. For families comparing options across the Eastside, that places International School in a distinct tier among publicly accessible choices — not just locally strong, but the strongest in the state.
The combined grades 6–12 structure means students enter in middle school and complete high school on the same campus, building curriculum continuity across seven years. The student-teacher ratio of 19.9:1 supports classroom engagement at manageable scale given the school's enrollment. For parents prioritizing academic outcomes, the composite score and state rank make a direct case.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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International School — Students at International School score 84% proficient, which is above what's typical for similar communities (expected: 71%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
8%
Students qualifying for federal meal assistance
Test Scores WA SBA (2023-24)
Based on 16 test records from WA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.2/10.
How International School Compares
See how International School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 80% (2019) to 80.8% (2024). Reading/ELA proficiency has remained stable from 88% (2019) to 86.5% (2024).
Location
445 128th Ave SE, Bellevue, WA 98005
Nearby Alternatives
Families considering International School may also want to explore other high schools in the area. Bellevue High School (rated 7.5/10, 1.3 miles away), with a comparable rating. Another option is Bellevue Big Picture School (rated 7.2/10, 1.6 miles away), a more accessible option. Additionally, Sammamish Senior High (rated 6.8/10, 0.9 miles away), a more accessible option. For more schools in Bellevue, see our Bellevue schools guide .
Nearby Schools
20 within 2.2 mi| School | Distance | Rating |
|---|---|---|
| Jing Mei Elementary School Bellevue | 0.6 mi | 8.0 |
| Central Educational Services Bellevue | 0.6 mi | 6.2 |
| Bellevue Open Doors Reengagement Bellevue | 0.6 mi | — |
| Bellevue Digital Discovery Bellevue | 0.6 mi | — |
| Woodridge Elementary Bellevue | 0.8 mi | 8.7 |
| Sammamish Senior High Bellevue | 0.9 mi | 6.8 |
| CHESTNUT HILL ACADEMY Bellevue | 1.3 mi | 6.6 |
| Lake Hills Elementary Bellevue | 1.0 mi | 8.3 |
| ASIA PACIFIC LANGUAGE SCHOOL Bellevue | 1.3 mi | 4.8 |
| Odle Middle School Bellevue | 1.2 mi | 8.0 |
| EARLY WORLD CHILDRENS SCHOOL Bellevue | 1.5 mi | — |
| Stevenson Elementary Bellevue | 1.4 mi | 7.4 |
| Bellevue High School Bellevue | 1.3 mi | 7.5 |
| SEATTLE VOCTECH SCHOOL Bellevue | 1.3 mi | — |
| EASTSIDE CHRISTIAN SCHOOL Bellevue | 1.5 mi | 6.2 |
| EASTSIDE CHRISTIAN SCHOOL Bellevue | 1.5 mi | 7.9 |
| Bellevue Big Picture School Bellevue | 1.6 mi | 7.2 |
| Enatai Elementary School Bellevue | 1.7 mi | 6.8 |
| LIVING MONTESSORI ACADEMY Bellevue | 2.1 mi | 6.1 |
| Tyee Middle School Bellevue | 2.2 mi | 7.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 98005 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$158,396
Median Home Value
$1,373,000
Median Rent
$2,380/mo
Population
21,929
College Educated
71.2%
Homeownership
51.1%
Avg Commute
21.9 min
Poverty Rate
9.1%
Median Age
37.3
Community Profile
The community surrounding International School has a median household income of $158,396. It is a well-educated community where 71% of adults hold a bachelor's degree or higher. The median home value in the area is $1,373,000, with a median rent of $2,380/month. The local poverty rate of 9.1% is relatively low. The average commute for residents is 22 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Vashon Island High School Vashon, WA | 8.5 |
| South Whidbey High School Langley, WA | 8.3 |
| International Community School Kirkland, WA | 8.2 |
| Anacortes High School Anacortes, WA | 8.1 |
| Nikola Tesla STEM High School Redmond, WA | 8.1 |
| Raisbeck Aviation High School Tukwila, WA | 7.9 |
Frequently Asked Questions
Common questions about International School
What grades does International School serve?
International School serves students in grades 6th through 12th.
How many students attend International School?
International School has an enrollment of approximately 597 students.
What is the student-teacher ratio at International School?
The student-teacher ratio at International School is 19.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does International School rank in WA?
International School is ranked #175 out of 2,225 schools in WA.
What is International School's MySchoolScout rating?
International School has a composite rating of 8.5 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at International School?
Based on the most recent state assessment data, International School has 80.7% math proficiency and 87.7% reading/ELA proficiency.
Is International School a charter school?
No, International School is not a charter school. It is a traditional public school operated by the local school district.
Is International School a Title I school?
No, International School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for International School?
8.0% of students at International School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
- Walk Score
- 16 Car-Dependent
- Transit Score
- 33 Some Transit
- Bike Score
- 38 Somewhat Bikeable
- City Safety
- High (3,487/100K)
Powered by 
FBI UCR 2024. City-level (Bellevue). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 6th – 12th
- Enrollment
- 597
- Student-Teacher Ratio
- 19.9:1
- Teachers (FTE)
- 30
- Free/Reduced Lunch
- 8.0%
- Type
- alternative
- Setting
- Midsize City
- County
- King County
- Phone
- (425) 456-6500
- Data Year
- 2023–2024
Resources & Links
District
Bellevue School District- District Enrollment
- 19,855
- Schools in District
- 30
- Per-Pupil Spending
- $20,051
- District Rank
- #4 of 28
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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