- Enrollment
- 1,439
- Students per teacher
- 19.4:1
- Resource Index
- 52/100
Elementary school (grades K-5) · Mercer Island, WA
Lakeridge Elementary School
Federal NCES profile for Lakeridge Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 62/100.
2024-25 NCES dataElementary school (grades K-5)NCES 530498000759
👥 S:T ratio 24
🌟 Gifted program 70
📋 Attendance 94
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lakeridge Elementary School earns 62/100 on the Resource Investment Index, with class sizes larger than 73% of Washington schools.
- #2 of 3
- elementary schools in Mercer Island · Resource Index
- 62
- Resource Index · Higher
- 19.1:1
- large classes for Washington
- 2.8%
- free-lunch eligible
Lakeridge Elementary School has class sizes larger than 73% of Washington schools. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Lakeridge Elementary School ranks #2 of 3 elementary schools in Mercer Island, WA.
School address
District: Mercer Island School District · Washington
NCES ID 530498000759 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+6 students YoY
Lakeridge Elementary School held near 403 students from 2022-23 to 2023-24 (+6 headcount).
Teacher FTE added 21.6 → 22.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+6 students YoY 530498000759 · Mercer Island, WA Elementary · SMALL · TRAD
401 enr · 19.1:1 · 2.8% lunch · RII 62
Nearest enrollment peer: Mercer Island High School (1,439 students)
Lakeridge Elementary School held near 403 students from 2022-23 to 2023-24 (+6 headcount). Teacher FTE added 21.6 → 22.0 across the same CCD years. Read with this school → · District book → · Washington schools → · Find another →
Lakeridge 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
- This school 401
Lakeridge Elementary School
401 students
- Northwood Elem 398
Northwood Elementary School
398 students
- Island Park El 364
Island Park Elementary
364 students
What this shows Lakeridge Elementary School reports 401 students on the CCD universe file.
How Lakeridge Elementary School compares
Lakeridge 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 | 19.1:1 | ▲ 9% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 2.8% | ▼ 94% | 45.0% | 51.7% |
| Enrollment | 401 | top 48% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.1:1
Leaner classes than 19% of US schools, heavier class loads than most.
401
Bigger than 48% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
2.8%
free-lunch eligible
- 94% 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
19.1:1
students per teacher
- 9% above state mean
Top 73% in Washington - lower ratio than 27% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
2.5%
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 43.8%
Asian 29.5%
Two or More 21.0%
Hispanic or Latino 4.8%
African American 0.8%
American Indian / Alaska Native 0.3%
Largest group: White at 43.8% of enrollment.
Student-body diversity index 67.5/100
Simpson diversity index - at 67.5, Lakeridge 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 Lakeridge Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mercer Island High School | Larger | Similar economic need | Similar S:T ratio |
| Islander Middle School | Larger | Similar economic need | Higher S:T ratio |
| West Mercer Elementary | Similar size | Similar economic need | Similar S:T ratio |
| Northwood Elementary School | Similar size | Similar economic need | Lower S:T ratio |
| Island Park Elementary | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Lakeridge 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
- 398
- Students per teacher
- 15.3:1
- Resource Index
- 66/100
- Enrollment
- 364
- Students per teacher
- 15.8:1
- Resource Index
- 65/100
Similar elementary schools in Mercer Island
2 comparable elementary schools (grades K-5) serving the same city.
Nationwide elementary 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 (~401 students)
Frequently asked questions about Lakeridge Elementary School
How many students attend Lakeridge Elementary School?
Lakeridge Elementary School has 401 students enrolled. It is an elementary school in Mercer Island, WA. CCD year-over-year: 397 (2022-23) → 403 (2023-24), nearly flat (+6).
What is the student-teacher ratio at Lakeridge Elementary School?
The student-teacher ratio at Lakeridge Elementary School is 19.1:1, which is 9% higher than the Washington average of 17.6:1 and 22% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Lakeridge Elementary School?
2.8% of students at Lakeridge Elementary School are eligible for free lunch, compared to the Washington average of 45.0%.
What is the racial and ethnic makeup of Lakeridge Elementary School?
The largest demographic group at Lakeridge Elementary School is White at 43.8% of enrollment, in Mercer Island, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.5/100.
What is the Resource Investment Index for Lakeridge Elementary School?
Lakeridge Elementary School has a Resource Investment Index of 62/100 (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 Lakeridge Elementary School rank among elementary schools in Mercer Island?
By Resource Investment Index, Lakeridge Elementary School ranks #2 of 3 elementary 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 elementary schools in Mercer Island on the city page.
What other schools are in Mercer Island School District?
Besides Lakeridge 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.