Enrollment
455
Washington · 2024-25 NCES data
Elementary school (grades K-5) · Edmonds, WA
Serene Lake Elementary
Federal NCES profile for Serene Lake Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataElementary school (grades K-5)NCES 530543000821
👥 S:T ratio 41
🌟 Gifted program 70
📋 Attendance 31
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Serene Lake Elementary earns 47/100 on the Resource Investment Index, with class sizes smaller than 70% of Washington schools.
- #2 of 6
- public schools in Edmonds · Resource Index
- 47
- Resource Index · Typical
- 14.7:1
- small classes for Washington
- 47.1%
- free-lunch eligible
Serene Lake Elementary has class sizes smaller than 70% of Washington schools. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Serene Lake Elementary ranks #2 of 6 public schools in Edmonds, WA.
School address
District: Mukilteo School District · Washington
NCES ID 530543000821 Verify on NCES CCD record →
Teachers (FTE)
31.0
Federal CCD staff survey
Students per teacher
14.7:1
vs 17.6:1 Washington avg
-16% vs state
Free-lunch eligible
47.1%
vs 45.0% Washington avg
+5% vs state
Student-teacher ratio in context
How Serene Lake Elementary compares with Washington and U.S. medians
What stands out at Serene Lake Elementary
Serene Lake Elementary is a mid-sized elementary school in Edmonds, Washington, enrolling 455 students.
Class sizes run a bit leaner than typical: 14.7:1 puts it in the smaller third of Washington schools by student-teacher ratio.
Its free-meal eligibility rate of 47.1% lands close to the Washington typical range, neither a high- nor low-need campus by this measure.
With 455 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 515 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #201.
Its student body is led by White (53%) and Asian (20%) (diversity index 66/100).
Chronic absenteeism is elevated: 27.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Edmonds's elementary schools, it stands alongside Picnic Point Elementary (454 students): Serene Lake Elementary is larger than that campus by headcount and runs leaner classes (14.7:1 vs 15.1:1).
Mukilteo School District also operates Kamiak High School (2,384 students) and Mariner High School (2,106 students) alongside Serene Lake 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 Serene Lake Elementary compares
Serene Lake 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 | 14.7:1 | ▼ 16% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 47.1% | ▲ 5% | 45.0% | 51.7% |
| Enrollment | 455 | top 38% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.7:1
Leaner classes than 50% of US schools, a middle-of-the-pack class size.
455
Bigger than 56% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
47.1%
free-lunch eligible
- 5% above the Washington average of 45.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
14.7:1
students per teacher
- 16% below state mean
Top 30% in Washington - lower ratio than 70% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
27.7%
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
0
in-school suspensions + 3 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.7 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 52.8%
Asian 19.7%
Hispanic or Latino 10.0%
Two or More 8.2%
African American 8.0%
American Indian / Alaska Native 0.7%
Native Hawaiian / Pacific Islander 0.7%
Largest group: White at 52.8% of enrollment.
Student-body diversity index 65.9/100
Simpson diversity index - at 65.9, Serene Lake 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 Serene Lake 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 Serene Lake Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Kamiak High School | Larger | Lower economic need | Higher S:T ratio |
| Mariner High School | Larger | Similar 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 | Lower economic need | Higher S:T ratio |
Comparisons are relative to Serene Lake Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,384
- Students per teacher
- 25.6:1
- Resource Index
- 34/100
- Enrollment
- 2,106
- Students per teacher
- 20.1:1
- Resource Index
- 30/100
- Enrollment
- 902
- Students per teacher
- 19.2:1
- Resource Index
- 45/100
- Enrollment
- 851
- Students per teacher
- 20.3:1
- Resource Index
- 43/100
- Enrollment
- 803
- Students per teacher
- 17.1:1
- Resource Index
- 50/100
Similar elementary schools in Edmonds
1 comparable elementary schools (grades K-5) serving the same city.
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 (~455 students)
Similar student-teacher ratio (~14.7:1)
Next steps
Verify locally before acting on Serene Lake Elementary's federal record.
- Compare Serene Lake Elementary against another school. Compare schools
- Mukilteo 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 Serene Lake Elementary
How many students attend Serene Lake Elementary?
Serene Lake Elementary has 455 students enrolled. It is an elementary school in Edmonds, WA.
What is the student-teacher ratio at Serene Lake Elementary?
The student-teacher ratio at Serene Lake Elementary is 14.7:1, which is 16% lower than the Washington average of 17.6:1 and 6% lower 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 Serene Lake Elementary?
47.1% of students at Serene Lake Elementary are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Serene Lake Elementary?
The largest demographic group at Serene Lake Elementary is White at 52.8% of enrollment, in Edmonds, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.9/100.
What is the Resource Investment Index for Serene Lake Elementary?
Serene Lake 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 Serene Lake Elementary rank among public schools in Edmonds?
By Resource Investment Index, Serene Lake Elementary ranks #2 of 6 public schools in Edmonds, 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 Edmonds on the city page.
Is Serene Lake Elementary a good school?
Serene Lake Elementary earns 47/100 on the Resource Investment Index, with class sizes smaller than 70% of Washington schools. 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 Serene Lake 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.
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.