Enrollment
478
Washington · 2024-25 NCES data
Elementary school (grades K-5) · Sammamish, WA
Federal NCES profile for Elizabeth Blackwell Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
The verdict
Elizabeth Blackwell Elementary earns 47/100 on the Resource Investment Index, with class sizes near the Washington median.
Elizabeth Blackwell Elementary has class sizes near the Washington median. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Elizabeth Blackwell Elementary ranks #4 of 6 elementary schools in Sammamish, WA.
NCES ID 530423002649 Verify on NCES CCD record →
Enrollment
478
Washington · 2024-25 NCES data
Teachers (FTE)
27.0
Federal CCD staff survey
Students per teacher
17.7:1
vs 17.6:1 Washington avg
+1% vs state
Free-lunch eligible
2.6%
vs 45.0% Washington avg
-94% vs state
How Elizabeth Blackwell Elementary compares with Washington and U.S. medians
Slightly above state median
17.7:1 - 0.1 above the Washington state median of 17.6:1, indicating larger average class loads than typical schools in the state.
Elizabeth Blackwell Elementary is a lower-poverty, mid-sized elementary school in Sammamish, Washington, enrolling 478 students.
Class loads run somewhat heavier than typical: 17.7:1 puts it in the larger third of Washington schools by student-teacher ratio.
Comparatively few students face economic hardship here, 2.6% free-meal eligibility runs 94% below the Washington average.
Enrollment of 478 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 184 statewide peers matched on enrollment and economic need, it ranks mid-pack at #104.
Its student body is led by Asian (54%) and White (36%) (diversity index 58/100).
Counselor access is stretched at roughly 478 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 5.6% of students were chronically absent, below the typical post-pandemic national figure.
Among Sammamish's elementary schools, it stands alongside Margaret Mead Elementary (580 students): Elizabeth Blackwell Elementary is smaller than that campus by headcount and runs leaner classes (17.7:1 vs 18.1:1).
Lake Washington School District also operates Eastlake High School (2,481 students) and Redmond High School (2,304 students) alongside Elizabeth Blackwell Elementary.
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
Elizabeth Blackwell Elementary on the metrics families compare, against Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.7:1 | ▲ 1% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 2.6% | ▼ 94% | 45.0% | 51.7% |
| Enrollment | 478 | top 34% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: Asian at 53.5% of enrollment.
Simpson diversity index - at 57.9, Elizabeth Blackwell Elementary is more mixed than the Washington school average of 53.3.
District-wide per-pupil expenditure for Lake Washington School District, which includes Elizabeth Blackwell Elementary.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Eastlake High School | Larger | Similar economic need | Higher S:T ratio |
| Redmond High School | Larger | Similar economic need | Higher S:T ratio |
| Lake Washington High School | Larger | Higher economic need | Higher S:T ratio |
| Juanita High School | Larger | Higher economic need | Higher S:T ratio |
| Inglewood Middle School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Elizabeth Blackwell Elementary's own figures; each column derives from NCES Common Core of Data.
5 comparable elementary schools (grades K-5) serving the same city.
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.
Next steps
Verify locally before acting on Elizabeth Blackwell Elementary's federal record.
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.
Elizabeth Blackwell Elementary has 478 students enrolled. It is an elementary school in Sammamish, WA.
The student-teacher ratio at Elizabeth Blackwell Elementary is 17.7:1, which is 1% higher than the Washington average of 17.6:1 and 13% higher than the national average of 15.7:1.
2.6% of students at Elizabeth Blackwell Elementary are eligible for free lunch, compared to the Washington average of 45.0%.
The largest demographic group at Elizabeth Blackwell Elementary is Asian at 53.5% of enrollment, in Sammamish, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.9/100.
Elizabeth Blackwell Elementary has a Resource Investment Index of 47/100 (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).
By Resource Investment Index, Elizabeth Blackwell Elementary ranks #4 of 6 elementary schools in Sammamish, 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 Sammamish on the city page.
Elizabeth Blackwell Elementary earns 47/100 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.
Besides Elizabeth Blackwell Elementary, Lake Washington School District also operates Eastlake High School (2,481 students), Redmond High School (2,304 students), and Lake Washington High School (2,081 students). See the Lake Washington School District district page for the complete list.
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.
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PlainSchools, “Elizabeth Blackwell Elementary, Sammamish WA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/elizabeth-blackwell-elementary-wa
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