Excellent
#46 of 2,228 schools in WA
Top 2% in state
Lakeridge Elementary School
Elementary School · Mercer Island School District
8215 SE 78th, Mercer Island, WA 98040
Enrollment
403
Student-Teacher
19.2:1
Score
9.3
Grades
Kindergarten – 5th
Enrollment
403
Student-Teacher
19.2:1
Score
9.3
Grades
Kindergarten – 5th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Washington schools
#46 of 2,228
In Mercer Island
#2 of 6
public schools
In district
#2 of 6
Mercer Island School District
Equity
9.9 / 10
Excellent
Shortlisting around Lakeridge Elementary School?
Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
Lakeridge Elementary School
Elementary School in Mercer Island · grades Kindergarten – 5th. Start here, then compare fit against nearby and district options.
Islander Middle School
0.4 mi away. Use as a geographic alternative in the same move search.
Island Park Elementary
1.5 mi away. Use as a geographic alternative in the same move search.
About Lakeridge Elementary School
Lakeridge Elementary School is a public elementary school in Mercer Island, WA, part of Mercer Island School District. Lakeridge Elementary School serves approximately 403 students, and covers grades Kindergarten-5th, and has a 19.2:1 student-teacher ratio. Lakeridge Elementary School has a current MySchoolScout rating of 9.3 out of 10 and ranks #46 of 2,228 schools in WA.
Structured state assessment records for Lakeridge Elementary School show 86% math proficiency (multi-year average, 2009-2024) and 90% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 9.3 · Excellent
- District avg 9.3
- WA avg 6.8
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Lakeridge Elementary School — Students at Lakeridge Elementary School score 88% proficient, which is above what's typical for similar communities (expected: 74%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
3%
Students qualifying for federal meal assistance
Test Scores WA SBA (2023-24)
Based on 32 test records from WA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.3/10.
How Lakeridge Elementary School Compares
See how Lakeridge Elementary School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
8215 SE 78th, Mercer Island, WA 98040
Nearby Alternatives
Families considering Lakeridge Elementary School may also want to explore other elementary schools in the area. Island Park Elementary (rated 9.7/10, 1.5 miles away), which scores slightly higher. Another option is Northwood Elementary School (rated 9.2/10, 2.9 miles away), with a very similar rating. Additionally, West Mercer Elementary (rated 9.0/10, 2.7 miles away), with a comparable rating. For more schools in Mercer Island, see our Mercer Island schools guide .
Nearby Schools
20 within 2.1 mi| School | Distance | Rating |
|---|---|---|
| Islander Middle School Mercer Island | 0.4 mi | 8.2 |
| Island Park Elementary Mercer Island | 1.5 mi | 9.7 |
| NORTHWEST YESHIVA HIGH SCHOOL Mercer Island | 1.8 mi | 6.9 |
| Griffin Home Renton | 1.7 mi | — |
| Bryn Mawr Elementary School Seattle | 2.4 mi | 6.6 |
| Lakeridge Elementary School Seattle | 2.3 mi | 7.1 |
| Emerson Elementary School Seattle | 1.9 mi | 6.7 |
| Kennydale Elementary School Renton | 1.8 mi | 7.3 |
| ST MONICA SCHOOL Mercer Island | 2.5 mi | 6.7 |
| Rainier Beach High School Seattle | 1.8 mi | 6.8 |
| West Mercer Elementary Mercer Island | 2.7 mi | 9.0 |
| Dimmitt Middle School Seattle | 2.8 mi | 4.2 |
| DERECH EMUNAH Seattle | 2.0 mi | — |
| DERECH EMUNAH DBA SEATTLE JEWISH GIRLS HIGH SCHOOL Seattle | 2.0 mi | — |
| Mercer Island High School Mercer Island | 2.8 mi | 8.8 |
| Northwood Elementary School Mercer Island | 2.9 mi | 9.2 |
| Graham Hill Elementary School Seattle | 2.1 mi | 7.3 |
| Alan T. Sugiyama High School Seattle | 2.0 mi | 5.4 |
| South Shore PK-8 School Seattle | 2.1 mi | 6.3 |
| Hazelwood Elementary School Newcastle | 2.1 mi | 8.8 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 98040 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$202,359
Median Home Value
$1,884,200
Median Rent
$2,464/mo
Population
25,282
College Educated
78.8%
Homeownership
66%
Avg Commute
24.9 min
Poverty Rate
4.6%
Median Age
45.8
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Beachwood Elementary School Jblm Lewis North, WA | 9.3 |
| Dearborn Park International School Seattle, WA | 9.3 |
| Freeman Elementary School Rockford, WA | 9.3 |
| Horace Mann Elementary Redmond, WA | 9.3 |
| John Stanford International School Seattle, WA | 9.3 |
| Libby Center Spokane, WA | 9.3 |
Frequently Asked Questions
Common questions about Lakeridge Elementary School
What grades does Lakeridge Elementary School serve?
Lakeridge Elementary School serves students in grades Kindergarten through 5th.
How many students attend Lakeridge Elementary School?
Lakeridge Elementary School has an enrollment of approximately 403 students.
What is the student-teacher ratio at Lakeridge Elementary School?
The student-teacher ratio at Lakeridge Elementary School is 19.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Lakeridge Elementary School rank in WA?
Lakeridge Elementary School ranks #46 of 2,228 schools in WA.
What is Lakeridge Elementary School's MySchoolScout rating?
Lakeridge Elementary School has a current MySchoolScout rating of 9.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Lakeridge Elementary School?
Based on loaded state assessment records, Lakeridge Elementary School has 86% math proficiency (multi-year average, 2009-2024) and 90% reading/ELA proficiency (multi-year average, 2009-2024).
Is Lakeridge Elementary School a charter school?
No, Lakeridge Elementary School is not a charter school. It is a traditional public school operated by the local school district.
Is Lakeridge Elementary School a Title I school?
No, Lakeridge Elementary School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Lakeridge Elementary School?
3.0% of students at Lakeridge Elementary School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 5th
- Enrollment
- 403
- Student-Teacher Ratio
- 19.2:1
- Teachers (FTE)
- 21
- Free/Reduced Lunch
- 3.0%
- Type
- regular
- Setting
- Large Suburb
- County
- King County
- Chronic Absenteeism (SY 2022-23)
- 2.0%
- Phone
- (206) 236-3415
Resources & Links
District
Mercer Island School District- District Enrollment
- 3,975
- Schools in District
- 6
- Per-Pupil Spending
- $17,288
- District Rank
- #2 of 6
Other Schools in This District
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateRelated reading
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.