Other / mixed grade configuration · Mukilteo, WA

Columbia Elementary

Federal NCES profile for Columbia Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.

2024-25 NCES dataOther / mixed grade configurationNCES 530543002263
0/100100/10047/100
👥 S:T ratio
32
🌟 Gifted program
70
📋 Attendance
38
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Columbia Elementary earns 47/100 on the Resource Investment Index, with class sizes near the Washington median.

#4 of 7
public schools in Mukilteo · Resource Index
47
Resource Index · Typical
17:1
students per teacher
34.4%
free-lunch eligible

Columbia Elementary has class sizes near the Washington median. Computed live against every Washington school reporting to NCES.

By Resource Investment Index, Columbia Elementary ranks #4 of 7 public schools in Mukilteo, WA.

Enrollment

596

Washington · 2024-25 NCES data

Teachers (FTE)

35.0

Federal CCD staff survey

Students per teacher

17:1

vs 17.6:1 Washington avg

-3% vs state

Free-lunch eligible

34.4%

vs 45.0% Washington avg

-24% vs state

Student-teacher ratio in context

How Columbia Elementary compares with Washington and U.S. medians

At or below state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Columbia Elementary

Columbia Elementary is a mid-sized combined-grade school in Mukilteo, Washington, enrolling 596 students.

At 17:1, 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.

Economic need runs somewhat below the state's typical profile, with 34.4% of students eligible for free meals.

Enrollment of 596 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 467 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #158.

Its student body is led by White (44%) and Hispanic or Latino (21%) (diversity index 72/100).

Attendance runs somewhat below the norm, with 24.8% of students chronically absent per the 2021-22 civil-rights collection.

Among Mukilteo's public schools, it stands alongside Eceap (118 students): Columbia Elementary is larger than that campus by headcount.

Mukilteo School District also operates Kamiak High School (2,384 students) and Mariner High School (2,106 students) alongside Columbia 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 Columbia Elementary compares

Columbia 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 17:1 ▼ 3% 17.6:1 15.7:1
Free-lunch eligible 34.4% ▼ 24% 45.0% 51.7%
Enrollment 596 top 21% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

17:1
Leaner classes than 30% of US schools, heavier class loads than most.
596
Bigger than 72% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
34.4%
free-lunch eligible - 24% below the Washington average of 45.0%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17:1
students per teacher - 3% below state mean
Top 56% in Washington - lower ratio than 44% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
24.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$19,467
per pupil, district-wide - below Washington avg of $19,487
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
6
in-school suspensions + 3 out-of-school
Suspension rate: 1.0 per 100 students. Combined in-school and out-of-school rate: 1.5 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 43.6%
Hispanic or Latino 20.6%
Asian 19.3%
Two or More 8.9%
African American 6.4%
Native Hawaiian / Pacific Islander 0.7%
American Indian / Alaska Native 0.5%

Largest group: White at 43.6% of enrollment.

Student-body diversity index 71.8/100

Simpson diversity index - at 71.8, Columbia Elementary is more mixed than the Washington school average of 53.3.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Mukilteo School District, which includes Columbia Elementary.

$19,467
Per student
0%
vs Washington
Avg $19,487
+17%
vs U.S.
Avg $16,593
Revenue mix
Local 24.4%
State 64.2%
Federal 11.4%

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 Columbia Elementary Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Kamiak High School Larger Similar economic need Higher S:T ratio
Mariner High School Larger Higher economic need Higher S:T ratio
Voyager Middle School Larger Higher economic need Higher S:T ratio
Olympic View Middle School Larger Similar economic need Higher S:T ratio
Harbour Pointe Middle School Larger Similar economic need Similar S:T ratio

Comparisons are relative to Columbia Elementary's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Mukilteo School District · 5 sibling schools

View district profile

Similar other schools in Mukilteo

1 comparable other schools (grades Mixed) serving the same city.

Similar other 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.

Next steps

Verify locally before acting on Columbia 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.

Frequently asked questions about Columbia Elementary

How many students attend Columbia Elementary?

Columbia Elementary has 596 students enrolled. It is a public school in Mukilteo, WA.

What is the student-teacher ratio at Columbia Elementary?

The student-teacher ratio at Columbia Elementary is 17:1, which is 3% lower than the Washington average of 17.6:1 and 8% 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 Columbia Elementary?

34.4% of students at Columbia Elementary are eligible for free lunch, compared to the Washington average of 45.0%.

What is the racial and ethnic makeup of Columbia Elementary?

The largest demographic group at Columbia Elementary is White at 43.6% of enrollment, in Mukilteo, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.8/100.

What is the Resource Investment Index for Columbia Elementary?

Columbia Elementary has a Resource Investment Index of 47/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Columbia Elementary rank among public schools in Mukilteo?

By Resource Investment Index, Columbia Elementary ranks #4 of 7 public schools in Mukilteo, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mukilteo on the city page.

Is Columbia Elementary a good school?

Columbia 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.

What other schools are in Mukilteo School District?

Besides Columbia Elementary, Mukilteo School District also operates Kamiak High School (2,384 students), Mariner High School (2,106 students), and Voyager Middle School (902 students). See the Mukilteo School District district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

View saved

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.