Serving 414 students in grades Kindergarten-5, Black Diamond Elementary School ranks in the top 50% of all schools in Washington for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 45-49% (which is higher than the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is 55-59% (which is higher than the Washington state average of 53%).
The student-teacher ratio of 16:1 is lower than the Washington state level of 17:1.
Minority enrollment is 41% of the student body (majority Hispanic), which is lower than the Washington state average of 53% (majority Hispanic).
Quick Facts (2026)
- Grades: Kindergarten-5
- Enrollment: 414 students
- Student-Teacher Ratio: 16:1
- Minority Enrollment: 41%
- Overall Testing Rank: Top 50% in WA
- Math Proficiency: 45-49% (Top 50%)
- Reading Proficiency: 55-59% (Top 50%)
- Science Proficiency: 50-59% (Top 50%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Overview
Black Diamond Elementary School's student population of 414 students has grown by 26% over five school years.
The teacher population of 26 teachers has grown by 23% over five school years.
Grades Offered
Grades Kindergarten-5
(No virtual instruction)
(No virtual instruction)
Total Students
414 students
Total Classroom Teachers
26 teachers
School Rankings
Black Diamond Elementary School ranks within the top 50% of all 2,088 schools in Washington (based off of combined math and reading proficiency testing data).
The diversity score of Black Diamond Elementary School is 0.60, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#693 out of 2088 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
45-49%
41%
Reading/Language Arts Test Scores (% Proficient)
55-59%
53%
Science Test Scores (% Proficient)
50-59%
49%
Student-Teacher Ratio
16:1
17:1
American Indian
n/a
1%
Asian
10%
9%
Hispanic
21%
27%
Black
1%
5%
White
59%
47%
Hawaiian
1%
2%
Two or more races
8%
9%
All Ethnic Groups
Eligible for Free Lunch
28%
39%
Eligible for Reduced Lunch
6%
9%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education
Frequently Asked Questions
What is Black Diamond Elementary School's ranking?
Black Diamond Elementary School is ranked #693 out of 2,088 schools, which ranks it among the top 50% of public schools in Washington.
What percent of students have achieved state testing proficiency in math and reading?
45-49% of students have achieved math proficiency (compared to the 41% WA state average), while 55-59% of students have achieved reading proficiency (compared to the 53% WA state average).
How many students attend Black Diamond Elementary School?
414 students attend Black Diamond Elementary School.
What is the racial composition of the student body?
59% of Black Diamond Elementary School students are White, 21% of students are Hispanic, 10% of students are Asian, 8% of students are Two or more races, 1% of students are Black, and 1% of students are Hawaiian.
What is the student-teacher ratio of Black Diamond Elementary School?
Black Diamond Elementary School has a student ration of 16:1, which is lower than the Washington state average of 17:1.
What grades does Black Diamond Elementary School offer ?
Black Diamond Elementary School offers enrollment in grades Kindergarten-5 (No virtual instruction).
What school district is Black Diamond Elementary School part of?
Black Diamond Elementary School is part of Enumclaw School District.
School Reviews
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