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SCHOOL COMMUNITY·ENUMCLAW SCHOOL DISTRICT·NCES 530000100376

Black Diamond Elementary

25314 Baker Street, Black Diamond, WA 98010 · (360) 272-5006 · King County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL414 STUDENTS
Enrollment
414
Elementary
DISTRICT 364 · STATE 380
Student : Teacher
15.9:1
26 FTE teachers
DISTRICT 19.4:1 · STATE 17.3:1
Free / Reduced Lunch
34%
142 students
DISTRICT 37% · STATE 51%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
56
Grade 1
69
Grade 2
82
Grade 3
70
Grade 4
62
Grade 5
75
Student demographics
White
24359%
DISTRICT 70% · STATE 47%
Hispanic
8621%
DISTRICT 18% · STATE 27%
Black
72%
DISTRICT 1% · STATE 5%
Asian
4110%
DISTRICT 4% · STATE 9%
Two+
338%
DISTRICT 6% · STATE 9%
Pacific Islander
41%
DISTRICT 0% · STATE 2%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
21452%
Female
20048%

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Test scores

Smarter Balanced + WCAS 2024-25 . % Met or Exceeded Standard
English Language Arts
59.7%
WA avg 58.4% . +1.2pp since 2014
Math
50.0%
WA avg 51.2% . +0.3pp since 2014

What this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 60 of every 100 students at this school read and write at grade level and about 50 of 100 do math at grade level. Across all Washington schools, those numbers are about 58 and 51. Reading and writing scores are up about 1 points since 2014, while math scores have held steady.

Source: Smarter Balanced + WCAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
51.2%
composite math + reading, all grades
Predicted
57.2%
based on WA schools with similar FRL share
Beats by
-6.0pp
below demographic expectation

What this means: About 51% of students here test proficient in math and reading, compared with the roughly 57% typical for Washington schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Washington's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
414
+121 (+41%) vs 2017
Student : Teacher
15.9:1
was 19.7:1
% White
59%
was 73%
% Hispanic
21%
was 16%
% Asian
10%
was 1%
Source: NCES Common Core of Data

About Black Diamond Elementary

Black Diamond Elementary is a primary school of moderately sized scale in Black Diamond, Washington, one of the schools within Enumclaw School District, works with 414 students in grades K through 5.

Enumclaw School District comprises 10 schools with combined enrollment of 4,564 students; Black Diamond Elementary is among them.

Looking at the student body, Black Diamond Elementary shows that the largest single group is White, at 59% of enrollment. Beyond that, the school lists 21% Hispanic, 10% Asian, 8% multiracial. That mix tracks the wider county fairly closely.

Looking at school resources, The school employs 26 full-time-equivalent teachers, for a student-teacher ratio near 15.9:1. That figure is tighter than the state norm's 17.3:1 average. An estimated 34% of students are eligible for free or reduced-price lunch, often used as a Title I proxy.

On a residual basis (actual vs predicted given the student mix), Black Diamond Elementary sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 57.2%; this one delivers 51.2%.

Around the school, King County reports that median household income runs about $124,746, 57% of adults hold a bachelor's degree or higher, and the poverty rate sits near 5%. Across King County's 544 public schools (combined enrollment of about 278,492 students), Black Diamond Elementary is one campus in the mix.

Nearest neighbor: Sawyer Woods Elementary School, around 1.9 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Black Diamond Elementary at 7th of 9; the average score across the group is 57.4%.

Black Diamond Elementary operates from a suburban location.

Five-year trend. Over the past 7-year window, the student count rose 41%: 293 students in 2018 compared to 414 in 2025. White enrollment moved from 73% to 59% across the same window. The student-to-teacher ratio pulled in from 19.7:1 in 2018 to 15.9:1 today.

In the discussion threads here, the feed for Black Diamond Elementary typically covers fundraisers, lost-and-found posts, and report-card season. Contributors range from current parents to recent graduates and teachers.

King County at a glance

View full county profile
Population
2,287,171
Census ACS
Median income
$124,746
Household, ACS
Bachelor's+
57%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
544
278,492 students

Quick facts

School name
Black Diamond Elementary
District
Enumclaw School District
Address
25314 Baker Street, Black Diamond, WA 98010
Phone
(360) 272-5006
County
King County
Level
Elementary
Grade range
KG–05
Total enrollment
414
Teachers (FTE)
26
Student–teacher ratio
15.9:1
Free/Reduced lunch
142 (34%)
Locale
21-Suburb: Large
NCES ID
530000100376
Charter school
No
Virtual school
No

Related schools

Other schools in Enumclaw School District
Other schools in Black Diamond
Nearby schools

Frequently asked questions

About Black Diamond Elementary
How large is Black Diamond Elementary?
Black Diamond Elementary enrolls approximately 414 students in grades KG-05.
What age range does Black Diamond Elementary serve?
Black Diamond Elementary serves students from grade KG through grade 05.
How many students per teacher at Black Diamond Elementary?
Approximately 15.9:1 students per teacher at Black Diamond Elementary.
How diverse is Black Diamond Elementary?
Black Diamond Elementary reports a student body of 59% White, 21% Hispanic, 2% Black, 10% Asian, 8% Two or more.
Who oversees Black Diamond Elementary?
Black Diamond Elementary is overseen by Enumclaw School District in King County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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