The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·MUKILTEO SCHOOL DISTRICT·NCES 530543002263

Columbia Elementary

10520 Harbour Pointe Blvd, Mukilteo, WA 98275 · (425) 366-2600 · Snohomish County
GRADES PK–05ELEMENTARY21-SUBURBREGULAR SCHOOL596 STUDENTS
Enrollment
596
Elementary
DISTRICT 507 · STATE 380
Student : Teacher
15.6:1
38 FTE teachers
DISTRICT 14.7:1 · STATE 17.3:1
Free / Reduced Lunch
33%
198 students
DISTRICT 56% · STATE 51%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Pre-K8915%
Kindergarten8815%
Grade 16611%
Grade 28514%
Grade 39316%
Grade 48614%
Grade 58915%

This year's kindergarten class (88) is about the same size as its 5th grade class (89).

Student demographics
72%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 75% · STATE 68% · US 70%
White
26044%
DISTRICT 34% · STATE 47% · US 43%
Hispanic
12321%
DISTRICT 30% · STATE 27% · US 30%
Black
386%
DISTRICT 10% · STATE 5% · US 15%
Asian
11519%
DISTRICT 15% · STATE 9% · US 6%
Two+
539%
DISTRICT 9% · STATE 9% · US 5%
Native American
31%
DISTRICT 0% · STATE 1% · US 1%
Pacific Islander
41%
DISTRICT 2% · STATE 2% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
32154%
Female
27546%

Discussions

+ POST

Test scores

Smarter Balanced + WCAS 2024-25 . % Met or Exceeded Standard
English Language Arts
55.1%
WA avg 58.4% . -3.9pp since 2014
Math
57.8%
WA avg 51.2% . +3.4pp since 2014

What this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 55 of every 100 students at this school read and write at grade level and about 58 of 100 do math at grade level. Across all Washington schools, those numbers are about 58 and 51. Reading and writing scores are down about 4 points since 2014, while math scores are up about 3 points.

Smarter Balanced + WCAS results by year

School yearEnglish Language ArtsMath
2024-2555.1%57.8%
2023-2461.4%55.7%
2022-2362.2%54.2%
2021-2264.0%53.3%
2018-1965.2%58.5%
2017-1868.0%63.8%
2016-1761.3%59.3%
2015-1662.6%55.9%
2014-1559.0%54.5%
% Met or Exceeded Standard, all students and all tested grades.
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
58.5%
composite math + reading, all grades
Predicted
57.9%
based on WA schools with similar FRL share
Beats by
+0.6pp
above demographic expectation

What this means: About 59% of students here test proficient in math and reading, compared with the roughly 58% 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 →

Schools most like Columbia Elementary

Columbia Elementary's state test result (58.5% proficient) is higher than 1 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Columbia Elementary this school59633.2%58.5%
Woodmoor Elementary
Bothell
64338.9%54.1%
Sunnycrest Elementary School
Lake Stevens
69529.6%59.4%
Alexander Graham Bell Elementary
Kirkland
50329.4%61.6%
Skyline Elementary
Lake Stevens
56235.2%61.2%
Picnic Point Elementary
Edmonds
45433.0%58.8%
Matched among Washington elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Columbia Elementary ranks

Among elementary schools
MeasureThis schoolIn WashingtonIn Snohomish County
State test proficiency
ranked highest first
58.5%#281 of 936#42 of 105
Math proficiency
ranked highest first
57.8%#294 of 1,103
▲ 36
#40 of 106
no change
Reading proficiency
ranked highest first
55.1%#407 of 1,102
▼ 125
#54 of 106
▼ 20
3-year test score change
ranked biggest drop first
-2.2pp#267 of 928#18 of 105
Enrollment
ranked largest first
596#104 of 1,268#25 of 118
Students per teacher
ranked fewest first
15.6:1#487 of 1,085#48 of 109
Diversity index
ranked most diverse first
71.8%#227 of 1,088#27 of 110
Free and reduced lunch
ranked highest share first
33.2%#893 of 1,169#72 of 114
Enrollment change since 2017-18
ranked fastest growth first
+3.1%#208 of 257#29 of 37
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
596
+65 (+12%) vs 2020
-23% since 1990-91, when it was 775
Student : Teacher
15.6:1
was 14.8:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2559638.215.6:133% (198)
2023-2459335.816.6:139% (233)
2022-2359035.716.6:141% (242)
2020-215313614.8:129% (153)
2017-1857835.616.2:127% (156)
2015-165723217.9:127% (154)
2010-116933519.8:126% (183)
2000-016143418.1:1N/A
1990-917753422.8:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Columbia Elementary.

Since 2017-18: students up 3% (578 to 596); teachers up 7% (35.6 to 38.2).

About Columbia Elementary

A large elementary school in Mukilteo, Washington, Columbia Elementary is part of Mukilteo School District. School enrollment was 596 students in 2024-25, in pre-K through 5. For comparison, elementary schools in Washington average about 380 students.

Mukilteo School District includes 23 schools. Together they enroll 15,175 students.

White students are the largest group at Columbia Elementary, with 44% of enrollment. The rest of enrollment is 21% Hispanic, 19% Asian, 9% multiracial, and 6% Black. Among all residents of Snohomish County, the White share is about 64%. The chance that two students picked at random at Columbia Elementary belong to different racial or ethnic groups, known as the diversity index, is 72%.

Federal records show a student-to-teacher ratio of 15.6:1 at Columbia Elementary, with 38.2 full-time-equivalent teachers. Among elementary schools in Washington, the typical ratio is 17.3:1. The count of students eligible for free or reduced-price lunch equals 33% of enrollment. Among public schools in Snohomish County, the average eligibility rate is 41%.

On the allk12 BeatsExpectations measure, Columbia Elementary is within a point of the average proficiency rate on state tests predicted for its free or reduced-price lunch share: 58.5% actual, 57.9% predicted. That is outside both the top and bottom 10% in Washington.

Snohomish County census figures show that median household income is about $111,246, about 38% of adults have at least a bachelor's degree, and the poverty rate is about 6%. A total of 227 public schools operate in Snohomish County, serving about 118,688 students.

The closest other public school is Kamiak High School, about 0.1 miles away. Around the school, at least 8 other public schools are within five miles. On proficiency, Columbia Elementary is ahead of the 55.8% nearby average, ranking 4th of 7.

Under the NCES locale system, Columbia Elementary is Suburb: Large.

The number of students grew from 531 to 596 over 4 years.

Questions about sports schedules, lunch menus, and spirit week can be posted here. Questions from prospective families are welcome too.

Snohomish County at a glance

View full county profile
Population
844,430
Census ACS
Median income
$111,246
Household, ACS
Bachelor's+
38%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
227
118,688 students

Quick facts

School name
Columbia Elementary
District
Mukilteo School District
Address
10520 Harbour Pointe Blvd, Mukilteo, WA 98275
Phone
(425) 366-2600
County
Snohomish County
Level
Elementary
Grade range
PK–05
Total enrollment
596
Teachers (FTE)
38
Student–teacher ratio
15.6:1
Free and reduced lunch
198 (33%)
Locale
21-Suburb: Large
NCES ID
530543002263
Charter school
No
Virtual school
No

Related schools

Other schools in Mukilteo School District
Other schools in Mukilteo
Other Columbia Elementary schools

24 other US public schools in 13 states are named Columbia Elementary. Columbia Elementary is the 6th largest of the 25.

Nearby schools

Frequently asked questions

About Columbia Elementary
How many students attend Columbia Elementary?
Columbia Elementary enrolls approximately 596 students in grades PK-05.
What grades does Columbia Elementary serve?
Columbia Elementary serves grades PK-05.
How many teachers does Columbia Elementary have?
Columbia Elementary employs 38 FTE teachers, for a student-to-teacher ratio of 15.6:1.
How diverse is Columbia Elementary?
Columbia Elementary reports a student body of 44% White, 21% Hispanic, 6% Black, 19% Asian, 9% Two or more.
Is Columbia Elementary public or private?
Columbia Elementary is a public K-12 school, overseen by Mukilteo School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post