Enrollment
414
Washington · 2024-25 NCES data
Elementary school (grades K-5) · Black Diamond, WA
Black Diamond Elementary
Federal NCES profile for Black Diamond Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataElementary school (grades K-5)NCES 530000100376
👥 S:T ratio 31
🌟 Gifted program 70
🎓 Counselors 17
📋 Attendance 57
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Black Diamond Elementary earns 44/100 on the Resource Investment Index, with class sizes near the Washington median.
- 44
- Resource Index · Typical
- 17.3:1
- students per teacher
- 17.6%
- free-lunch eligible
- 414
- students enrolled
Black Diamond Elementary has class sizes near the Washington median. Computed live against every Washington school reporting to NCES.
School address
District: Enumclaw School District · Washington
NCES ID 530000100376 Verify on NCES CCD record →
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
17.3:1
vs 17.6:1 Washington avg
-2% vs state
Free-lunch eligible
17.6%
vs 45.0% Washington avg
-61% vs state
Student-teacher ratio in context
How Black Diamond Elementary compares with Washington and U.S. medians
What stands out at Black Diamond Elementary
Black Diamond Elementary is a lower-poverty, mid-sized elementary school in Black Diamond, Washington, enrolling 414 students.
At 17.3:1, 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, 17.6% free-meal eligibility runs 61% below the Washington average.
With 414 students, its enrollment sits close to the Washington median campus size.
Its Resource Investment Index sits near the middle of the pack among 2,394 scored Washington schools.
Against 372 statewide peers matched on enrollment and economic need, it ranks mid-pack at #251.
Its student body is led by White (59%) and Hispanic or Latino (21%) (diversity index 60/100).
Counselor access is stretched at roughly 414 students per counselor, well above the ASCA-recommended 250:1 ceiling.
17.4% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Enumclaw School District also operates Enumclaw Sr High School (1,333 students) and Enumclaw Middle School (522 students) alongside Black Diamond 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
How Black Diamond Elementary compares
Black Diamond 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 | 17.3:1 | ▼ 2% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 17.6% | ▼ 61% | 45.0% | 51.7% |
| Enrollment | 414 | top 45% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.3:1
Leaner classes than 29% of US schools, heavier class loads than most.
414
Bigger than 50% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
17.6%
free-lunch eligible
- 61% 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
17.3:1
students per teacher
- 2% below state mean
Top 59% in Washington - lower ratio than 41% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
17.4%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$15,976
per pupil, district-wide
- below Washington avg of $19,487
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 414 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.2 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 58.7%
Hispanic or Latino 20.8%
Asian 9.9%
Two or More 8.0%
African American 1.7%
Native Hawaiian / Pacific Islander 1.0%
Largest group: White at 58.7% of enrollment.
Student-body diversity index 59.6/100
Simpson diversity index - at 59.6, Black Diamond Elementary is more mixed than the Washington school average of 53.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Enumclaw School District, which includes Black Diamond Elementary.
$15,976
Per student
-18%
vs Washington
Avg $19,487
-4%
vs U.S.
Avg $16,593
Revenue mix
Local 23.9%
State 67.7%
Federal 8.4%
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 Black Diamond Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Enumclaw Sr High School | Larger | Similar economic need | Higher S:T ratio |
| Enumclaw Middle School | Larger | Similar economic need | Higher S:T ratio |
| Thunder Mountain Middle School | Similar size | Similar economic need | Higher S:T ratio |
| Byron Kibler Elementary School | Similar size | Higher economic need | Similar S:T ratio |
| Westwood Elementary School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Black Diamond Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,333
- Students per teacher
- 20.8:1
- Resource Index
- 33/100
- Enrollment
- 522
- Students per teacher
- 21.8:1
- Resource Index
- 27/100
- Enrollment
- 506
- Students per teacher
- 23:1
- Resource Index
- 24/100
- Enrollment
- 442
- Students per teacher
- 17:1
- Resource Index
- 46/100
- Enrollment
- 409
- Students per teacher
- 17:1
- Resource Index
- 51/100
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 (~414 students)
Next steps
Verify locally before acting on Black Diamond Elementary's federal record.
- Compare Black Diamond Elementary against another school. Compare schools
- Enumclaw 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 Black Diamond Elementary
How many students attend Black Diamond Elementary?
Black Diamond Elementary has 414 students enrolled. It is an elementary school in Black Diamond, WA.
What is the student-teacher ratio at Black Diamond Elementary?
The student-teacher ratio at Black Diamond Elementary is 17.3:1, which is 2% lower than the Washington average of 17.6:1 and 10% 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 Black Diamond Elementary?
17.6% of students at Black Diamond Elementary are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Black Diamond Elementary?
The largest demographic group at Black Diamond Elementary is White at 58.7% of enrollment, in Black Diamond, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 59.6/100.
What is the Resource Investment Index for Black Diamond Elementary?
Black Diamond Elementary has a Resource Investment Index of 44/100 (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).
Is Black Diamond Elementary a good school?
Black Diamond Elementary earns 44/100 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 Enumclaw School District?
Besides Black Diamond Elementary, Enumclaw School District also operates Enumclaw Sr High School (1,333 students), Enumclaw Middle School (522 students), and Thunder Mountain Middle School (506 students). See the Enumclaw 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.