Enrollment
2,419
Washington · 2024-25 NCES data
High school (grades 9-12) · Issaquah, WA
Issaquah High School
Federal NCES profile for Issaquah High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 530375000574
👥 S:T ratio 9
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 19
📋 Attendance 65
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Issaquah High School earns 53/100 on the Resource Investment Index, with class sizes larger than 90% of Washington schools. It is also one of the largest schools in Washington.
- #8 of 9
- public schools in Issaquah · Resource Index
- 53
- Resource Index · Higher
- 22.8:1
- large classes for Washington
- 10.7%
- free-lunch eligible
Issaquah High School has class sizes larger than 90% of Washington schools. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Issaquah High School ranks #8 of 9 public schools in Issaquah, WA.
School address
District: Issaquah School District · Washington
NCES ID 530375000574 Verify on NCES CCD record →
Teachers (FTE)
106.0
Federal CCD staff survey
Students per teacher
22.8:1
vs 17.6:1 Washington avg
+30% vs state
Free-lunch eligible
10.7%
vs 45.0% Washington avg
-76% vs state
Student-teacher ratio in context
How Issaquah High School compares with Washington and U.S. medians
What stands out at Issaquah High School
Issaquah High School is a lower-poverty, large high school in Issaquah, Washington, enrolling 2,419 students.
Class loads run heavy: 22.8:1 is larger than about 90% of Washington schools and 30% above the 17.6:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 10.7% free-meal eligibility runs 76% below the Washington average.
By headcount it is one of the larger campuses in Washington, bigger than 99% of state schools at 2,419 students.
Its Resource Investment Index lands in the lower third of 2,394 scored Washington schools.
Against 37 statewide peers matched on enrollment and economic need, it ranks mid-pack at #22.
Its student body is led by White (46%) and Asian (30%) (diversity index 68/100).
On the academic-pipeline side it reports 30 Advanced Placement courses.
Counselor access is stretched at roughly 403 students per counselor, well above the ASCA-recommended 250:1 ceiling.
14.0% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Issaquah's high schools, it stands alongside Gibson Ek High School (198 students): Issaquah High School is larger than that campus by headcount and runs heavier classes (22.8:1 vs 16.5:1).
Issaquah School District also operates Skyline High School (2,244 students) and Liberty Sr High School (1,495 students) alongside Issaquah High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Issaquah High School compares
Issaquah High School on the metrics families compare, against Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 22.8:1 | ▲ 30% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 10.7% | ▼ 76% | 45.0% | 51.7% |
| Enrollment | 2,419 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
22.8:1
Leaner classes than 9% of US schools, heavier class loads than most.
2,419
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
10.7%
free-lunch eligible
- 76% 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
22.8:1
students per teacher
- 30% above state mean
Top 90% in Washington - lower ratio than 10% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
14.0%
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
$16,527
per pupil, district-wide
- below Washington avg of $19,487
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors6.0 FTE
Per 403 students, the combined health-and-guidance staffing load for this school.
Discipline context
9
in-school suspensions + 28 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 1.5 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 45.6%
Asian 30.0%
Hispanic or Latino 10.9%
Two or More 9.8%
African American 3.5%
American Indian / Alaska Native 0.3%
Largest group: White at 45.6% of enrollment.
Student-body diversity index 67.9/100
Simpson diversity index - at 67.9, Issaquah High School is more mixed than the Washington school average of 53.3.
Programs
AP courses offered 30
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Issaquah School District, which includes Issaquah High School.
$16,527
Per student
-15%
vs Washington
Avg $19,487
0%
vs U.S.
Avg $16,593
Revenue mix
Local 37.4%
State 55.4%
Federal 7.2%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Issaquah High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Skyline High School | Similar size | Similar economic need | Similar S:T ratio |
| Liberty Sr High School | Smaller | Similar economic need | Similar S:T ratio |
| Pine Lake Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Maywood Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Issaquah Middle School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Issaquah High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,244
- Students per teacher
- 23.6:1
- Resource Index
- 47/100
- Enrollment
- 1,495
- Students per teacher
- 22.7:1
- Resource Index
- 44/100
- Enrollment
- 877
- Students per teacher
- 23.1:1
- Resource Index
- 44/100
- Enrollment
- 826
- Students per teacher
- 22.3:1
- Resource Index
- 39/100
- Enrollment
- 808
- Students per teacher
- 21.8:1
- Resource Index
- 45/100
Similar high schools in Issaquah
1 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Washington, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~2,419 students)
Similar student-teacher ratio (~22.8:1)
Next steps
Verify locally before acting on Issaquah High School's federal record.
- Compare Issaquah High School against another school. Compare schools
- Issaquah School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Issaquah High School
How many students attend Issaquah High School?
Issaquah High School has 2,419 students enrolled. It is a high school in Issaquah, WA.
What is the student-teacher ratio at Issaquah High School?
The student-teacher ratio at Issaquah High School is 22.8:1, which is 30% higher than the Washington average of 17.6:1 and 45% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Issaquah High School?
10.7% of students at Issaquah High School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Issaquah High School?
The largest demographic group at Issaquah High School is White at 45.6% of enrollment, in Issaquah, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.9/100.
What is the Resource Investment Index for Issaquah High School?
Issaquah High School has a Resource Investment Index of 53/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Issaquah High School rank among public schools in Issaquah?
By Resource Investment Index, Issaquah High School ranks #8 of 9 public schools in Issaquah, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Issaquah on the city page.
Is Issaquah High School a good school?
Issaquah High School earns 53/100 on the Resource Investment Index, with class sizes larger than 90% of Washington schools. It is also one of the largest schools in Washington. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Issaquah School District?
Besides Issaquah High School, Issaquah School District also operates Skyline High School (2,244 students), Liberty Sr High School (1,495 students), and Pine Lake Middle School (877 students). See the Issaquah School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.