Enrollment
473
Washington · 2024-25 NCES data
Elementary school (grades K-5) · Issaquah, WA
Endeavour Elementary School
Federal NCES profile for Endeavour Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataElementary school (grades K-5)NCES 530375002518
👥 S:T ratio 35
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 86
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Endeavour Elementary School earns 48/100 on the Resource Investment Index, with class sizes near the Washington median.
- #2 of 4
- elementary schools in Issaquah · Resource Index
- 48
- Resource Index · Typical
- 16.3:1
- students per teacher
- 7.3%
- free-lunch eligible
Endeavour Elementary School has class sizes near the Washington median. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Endeavour Elementary School ranks #2 of 4 elementary schools in Issaquah, WA.
School address
District: Issaquah School District · Washington
NCES ID 530375002518 Verify on NCES CCD record →
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
16.3:1
vs 17.6:1 Washington avg
-7% vs state
Free-lunch eligible
7.3%
vs 45.0% Washington avg
-84% vs state
Student-teacher ratio in context
How Endeavour Elementary School compares with Washington and U.S. medians
What stands out at Endeavour Elementary School
Endeavour Elementary School is a lower-poverty, mid-sized elementary school in Issaquah, Washington, enrolling 473 students.
At 16.3:1, its student-teacher ratio sits close to the Washington median, within a few percentage points of the 17.6:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 7.3% free-meal eligibility runs 84% below the Washington average.
Enrollment of 473 puts it in the larger third of Washington schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,394 scored Washington schools.
Against 254 statewide peers matched on enrollment and economic need, it ranks mid-pack at #123.
Its student body is led by Asian (47%) and White (37%) (diversity index 64/100).
Counselor access is stretched at roughly 686 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 5.5% of students were chronically absent, below the typical post-pandemic national figure.
Among Issaquah's elementary schools, it stands alongside Grand Ridge Elementary (558 students): Endeavour Elementary School is smaller than that campus by headcount and runs heavier classes (16.3:1 vs 15.5:1).
Issaquah School District also operates Issaquah High School (2,419 students) and Skyline High School (2,244 students) alongside Endeavour Elementary 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 Endeavour Elementary School compares
Endeavour Elementary 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 | 16.3:1 | ▼ 7% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 7.3% | ▼ 84% | 45.0% | 51.7% |
| Enrollment | 473 | top 35% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.3:1
Leaner classes than 36% of US schools, a middle-of-the-pack class size.
473
Bigger than 58% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
7.3%
free-lunch eligible
- 84% 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
16.3:1
students per teacher
- 7% below state mean
Top 49% in Washington - lower ratio than 51% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
5.5%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
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
Counselors0.7 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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
Asian 46.5%
White 36.6%
Two or More 8.2%
Hispanic or Latino 8.0%
African American 0.6%
Largest group: Asian at 46.5% of enrollment.
Student-body diversity index 63.7/100
Simpson diversity index - at 63.7, Endeavour Elementary School is more mixed than the Washington school average of 53.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Issaquah School District, which includes Endeavour Elementary 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 Endeavour Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Issaquah High School | Larger | Similar economic need | Higher S:T ratio |
| Skyline High School | Larger | Similar economic need | Higher S:T ratio |
| Liberty Sr High School | Larger | Similar economic need | Higher S:T ratio |
| Pine Lake Middle School | Larger | Similar economic need | Higher S:T ratio |
| Maywood Middle School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Endeavour Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,419
- Students per teacher
- 22.8:1
- Resource Index
- 41/100
- 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
Similar elementary schools in Issaquah
1 comparable elementary schools (grades K-5) serving the same city.
Similar elementary 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 (~473 students)
Similar student-teacher ratio (~16.3:1)
Next steps
Verify locally before acting on Endeavour Elementary School's federal record.
- Compare Endeavour Elementary 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 Endeavour Elementary School
How many students attend Endeavour Elementary School?
Endeavour Elementary School has 473 students enrolled. It is an elementary school in Issaquah, WA.
What is the student-teacher ratio at Endeavour Elementary School?
The student-teacher ratio at Endeavour Elementary School is 16.3:1, which is 7% lower than the Washington average of 17.6:1 and 4% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Endeavour Elementary School?
7.3% of students at Endeavour Elementary School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Endeavour Elementary School?
The largest demographic group at Endeavour Elementary School is Asian at 46.5% of enrollment, in Issaquah, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.7/100.
What is the Resource Investment Index for Endeavour Elementary School?
Endeavour Elementary School has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Endeavour Elementary School rank among elementary schools in Issaquah?
By Resource Investment Index, Endeavour Elementary School ranks #2 of 4 elementary 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 elementary schools in Issaquah on the city page.
Is Endeavour Elementary School a good school?
Endeavour Elementary School earns 48/100 on the Resource Investment Index, with class sizes near the Washington median. 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 Endeavour Elementary School, Issaquah School District also operates Issaquah High School (2,419 students), Skyline High School (2,244 students), and Liberty Sr High School (1,495 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.