- Enrollment
- 1,439
- Students per teacher
- 19.4:1
- Resource Index
- 52/100
Other / mixed grade configuration · Mercer Island, WA
Northwood Elementary School
Federal NCES profile for Northwood Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 66/100.
2024-25 NCES dataOther / mixed grade configurationNCES 530498003566
👥 S:T ratio 39
🌟 Gifted program 70
📋 Attendance 89
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Northwood Elementary School earns 66/100 on the Resource Investment Index, with class sizes near the Washington median.
- #1 of 6
- public schools in Mercer Island · Resource Index
- 66
- Resource Index · Higher
- 15.3:1
- students per teacher
- 4.2%
- free-lunch eligible
Northwood Elementary School has class sizes near the Washington median. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Northwood Elementary School ranks #1 of 6 public schools in Mercer Island, WA.
School address
District: Mercer Island School District · Washington
NCES ID 530498003566 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-6 students YoY
Northwood Elementary School held near 398 students from 2022-23 to 2023-24 (-6 headcount).
Teacher FTE lost 26.2 → 25.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-6 students YoY 530498003566 · Mercer Island, WA Other · SMALL · TRAD
398 enr · 15.3:1 · 4.2% lunch · RII 66
Nearest enrollment peer: Mercer Island High School (1,439 students)
Northwood Elementary School held near 398 students from 2022-23 to 2023-24 (-6 headcount). Teacher FTE lost 26.2 → 25.0 across the same CCD years. Read with this school → · District book → · Washington schools → · Find another →
Northwood Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Mercer Island
Mercer Island High School
1,439 students
- Islander Middl
Islander Middle School
960 students
- West Mercer El 431
West Mercer Elementary
431 students
- Lakeridge Elem 401
Lakeridge Elementary School
401 students
- This school 398
Northwood Elementary School
398 students
- Island Park El 364
Island Park Elementary
364 students
What this shows Northwood Elementary School reports 398 students on the CCD universe file.
How Northwood Elementary School compares
Northwood Elementary School held steady on CCD headcount: ratios and free-lunch share vs Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.3:1 | ▼ 13% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 4.2% | ▼ 91% | 45.0% | 51.7% |
| Enrollment | 398 | top 48% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.3:1
Leaner classes than 44% of US schools, a middle-of-the-pack class size.
398
Bigger than 47% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
4.2%
free-lunch eligible
- 91% below the Washington average of 45.0%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
15.3:1
students per teacher
- 13% below state mean
Top 38% in Washington - lower ratio than 62% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
4.3%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$17,288
per pupil, district-wide
- below Washington avg of $20,912
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 46.3%
Asian 29.4%
Two or More 13.4%
Hispanic or Latino 10.1%
African American 0.5%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 46.3% of enrollment.
Student-body diversity index 67.1/100
Simpson diversity index - at 67.1, Northwood Elementary School is more mixed than the Washington school average of 53.3.
Programs
Gifted & talented Yes
District finance for Mercer Island School District reports $17,288 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Northwood Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mercer Island High School | Larger | Similar economic need | Higher S:T ratio |
| Islander Middle School | Larger | Similar economic need | Higher S:T ratio |
| West Mercer Elementary | Similar size | Similar economic need | Higher S:T ratio |
| Lakeridge Elementary School | Similar size | Similar economic need | Higher S:T ratio |
| Island Park Elementary | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Northwood Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 960
- Students per teacher
- 20.9:1
- Resource Index
- 51/100
- Enrollment
- 431
- Students per teacher
- 18.7:1
- Resource Index
- 62/100
- Enrollment
- 401
- Students per teacher
- 19.1:1
- Resource Index
- 62/100
- Enrollment
- 364
- Students per teacher
- 15.8:1
- Resource Index
- 65/100
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~398 students)
Similar student-teacher ratio (~15.3:1)
Frequently asked questions about Northwood Elementary School
How many students attend Northwood Elementary School?
Northwood Elementary School has 398 students enrolled. It is a public school in Mercer Island, WA. CCD year-over-year: 404 (2022-23) → 398 (2023-24), nearly flat (-6).
What is the student-teacher ratio at Northwood Elementary School?
The student-teacher ratio at Northwood Elementary School is 15.3:1, which is 13% lower than the Washington average of 17.6:1 and 3% 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 Northwood Elementary School?
4.2% of students at Northwood Elementary School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Northwood Elementary School?
The largest demographic group at Northwood Elementary School is White at 46.3% of enrollment, in Mercer Island, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.1/100.
What is the Resource Investment Index for Northwood Elementary School?
Northwood Elementary School has a Resource Investment Index of 66/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Northwood Elementary School rank among public schools in Mercer Island?
By Resource Investment Index, Northwood Elementary School ranks #1 of 6 public schools in Mercer Island, 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 Mercer Island on the city page.
What other schools are in Mercer Island School District?
Besides Northwood Elementary School, Mercer Island School District also operates Mercer Island High School (1,439 students), Islander Middle School (960 students), and West Mercer Elementary (431 students). See the Mercer Island School District district page for the complete list.