- Enrollment
- 1,850
- Students per teacher
- 21.3:1
- Resource Index
- 41/100
High school (grades 9-12) · Bellevue, WA
Interlake Senior High School
Federal NCES profile for Interlake Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 530039000072
👥 S:T ratio 23
🌟 Gifted program 30
🎓 Counselors 36
📋 Attendance 71
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Interlake Senior High School earns 40/100 on the Resource Investment Index, with class sizes larger than 73% of Washington schools. It is also one of the largest schools in Washington.
- #2 of 4
- high schools in Bellevue · Resource Index
- 40
- Resource Index · Typical
- 19.2:1
- large classes for Washington
- 19.2%
- free-lunch eligible
Interlake Senior High School has class sizes larger than 73% of Washington schools. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Interlake Senior High School ranks #2 of 4 high schools in Bellevue, WA.
School address
District: Bellevue School District · Washington
NCES ID 530039000072 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+61 students YoY
Interlake Senior High School held near 1,604 students from 2022-23 to 2023-24 (+61 headcount).
Teacher FTE lost 84.8 → 82.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+61 students YoY 530039000072 · Bellevue, WA High · MID · TRAD
1,611 enr · 19.2:1 · 19.2% lunch · RII 40
Nearest enrollment peer: Newport Senior High School (1,850 students)
Interlake Senior High School held near 1,604 students from 2022-23 to 2023-24 (+61 headcount). Teacher FTE lost 84.8 → 82.3 across the same CCD years. Read with this school → · District book → · Washington schools → · Find another →
Interlake Senior High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Newport Senior
Newport Senior High School
1,850 students
- Bellevue High
Bellevue High School
1,683 students
- This school
Interlake Senior High School
1,611 students
- Sammamish Seni
Sammamish Senior High
1,363 students
- Tyee Middle Sc
Tyee Middle School
1,007 students
- Odle Middle Sc
Odle Middle School
974 students
What this shows Interlake Senior High School reports 1,611 students on the CCD universe file.
How Interlake Senior High School compares
Interlake Senior High School held steady on CCD headcount: ratios and free-lunch share vs Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.2:1 | ▲ 9% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 19.2% | ▼ 57% | 45.0% | 51.7% |
| Enrollment | 1,611 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.2:1
Leaner classes than 19% of US schools, heavier class loads than most.
1,611
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
19.2%
free-lunch eligible
- 57% below the Washington average of 45.0%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
19.2:1
students per teacher
- 9% above state mean
Top 73% in Washington - lower ratio than 27% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
11.7%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$20,051
per pupil, district-wide
- below Washington avg of $20,912
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors5.0 FTE
Per 322 students, the combined health-and-guidance staffing load for this school.
Discipline context
16
in-school suspensions + 1 out-of-school
Suspension rate: 1.0 per 100 students. Combined in-school and out-of-school rate: 1.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Asian 50.0%
White 22.4%
Hispanic or Latino 16.7%
Two or More 6.6%
African American 4.0%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Asian at 50.0% of enrollment.
Student-body diversity index 66.6/100
Simpson diversity index - at 66.6, Interlake Senior High School is more mixed than the Washington school average of 53.3.
Programs
AP courses offered 12
District finance for Bellevue School District reports $20,051 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Interlake Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Newport Senior High School | Similar size | Similar economic need | Higher S:T ratio |
| Bellevue High School | Similar size | Similar economic need | Higher S:T ratio |
| Sammamish Senior High | Similar size | Higher economic need | Higher S:T ratio |
| Tyee Middle School | Smaller | Similar economic need | Higher S:T ratio |
| Odle Middle School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Interlake Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,683
- Students per teacher
- 24.4:1
- Resource Index
- 36/100
- Enrollment
- 1,363
- Students per teacher
- 20.7:1
- Resource Index
- 40/100
- Enrollment
- 1,007
- Students per teacher
- 21.9:1
- Resource Index
- 43/100
- Enrollment
- 974
- Students per teacher
- 18.7:1
- Resource Index
- 46/100
Similar high schools in Bellevue
3 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~1,611 students)
Frequently asked questions about Interlake Senior High School
How many students attend Interlake Senior High School?
Interlake Senior High School has 1,611 students enrolled. It is a high school in Bellevue, WA. CCD year-over-year: 1,543 (2022-23) → 1,604 (2023-24), nearly flat (+61).
What is the student-teacher ratio at Interlake Senior High School?
The student-teacher ratio at Interlake Senior High School is 19.2:1, which is 9% higher than the Washington average of 17.6:1 and 22% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Interlake Senior High School?
19.2% of students at Interlake Senior High School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Interlake Senior High School?
The largest demographic group at Interlake Senior High School is Asian at 50.0% of enrollment, in Bellevue, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.6/100.
What is the Resource Investment Index for Interlake Senior High School?
Interlake Senior High School has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Interlake Senior High School rank among high schools in Bellevue?
By Resource Investment Index, Interlake Senior High School ranks #2 of 4 high schools in Bellevue, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Bellevue on the city page.
What other schools are in Bellevue School District?
Besides Interlake Senior High School, Bellevue School District also operates Newport Senior High School (1,850 students), Bellevue High School (1,683 students), and Sammamish Senior High (1,363 students). See the Bellevue School District district page for the complete list.