Beta You're viewing our redesigned school page. Prefer the classic layout?

Lakeridge Elementary School

Public Grades K-5

11^th

SchoolDigger Rank ?

of 1,160 Washington Elementary Schools

Better than 99% of Washington elementary schools

Summary

Lakeridge Elementary School is a top-ranked K-5 public school serving 401 students in the highly acclaimed Mercer Island School District, which is the #1 district in Washington state.

The school demonstrates exceptional and consistent academic excellence, ranking 11th out of over 1,100 elementary schools statewide, with nearly 90% of students proficient in English, Math, and Science—far exceeding state averages. This high performance is remarkably stable, having been maintained for at least a decade, including through pandemic disruptions. The school is part of a distinct "excellence bubble" on Mercer Island, alongside Island Park Elementary, with both schools achieving nearly identical top-tier results despite differences in per-student spending and class size, suggesting factors beyond simple resources drive success.

Stark contrasts emerge when comparing Lakeridge to nearby schools just minutes away in other districts. For instance, while Lakeridge is ranked 11th, Kennydale Elementary School in the Renton School District is ranked 448th, and Emerson Elementary School in Seattle School District No. 1 is ranked 1,121st. This highlights how district quality and community context can create dramatic differences in educational outcomes within a small geographic area, with Lakeridge serving as a model of sustained high achievement.

401

Students ?

17.1

Student/teacher ratio ?

$17,990

Per pupil spending ?

3.5%

Free/discounted lunch ?

8215 SE 78th
Mercer Island, WA 98040-5901

(206) 236-3415

District: Mercer Island School District

Students who attend Lakeridge Elementary School usually attend:

Middle:	Islander Middle School
High:	Mercer Island High School

Racial breakdown:

White:

43.6%

Asian:

29.4%

Two or more races:

20.9%

See top rated Washington elementary schools

Compare Lakeridge Elementary School to nearby elementary schools!

At a glance

▬ Ranking trend: Holding steady — 97th percentile in 2015 → 99th in 2025

Strengths

✓Test scores above the Washington average (88% vs 48% meeting standards)

✓Ranks in the top 1% of Washington elementary schools

Worth a look

!Some student groups rank well below the school's overall statewide standing

Students meeting standards (2024-2025) ?

This school88%

District avg84%

Washington avg48%

11^th of 1,160

Washington public elementary schools ?

Top 1%▲ up 2 pts since 2015

See the entire ranking list of Washington Elementary Schools →

★★★★★

SchoolDigger rating ?

2^nd of 4Elementary Schools in the Mercer Island School District

1^st of 247Mercer Island School District among Washington districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Washington percentile	Rating
2025	97.9	11 of 1160	99.1%	★★★★★
2024	98.1	11 of 1168	99.1%	★★★★★
2023	97.4	20 of 1169	98.3%	★★★★★
2022	97.4	19 of 1169	98.4%	★★★★★
2021	98.9	9 of 1107	99.2%	★★★★★
2019	96.6	14 of 1130	98.8%	★★★★★
2018	97.2	10 of 1054	99.1%	★★★★★
2017	96.0	20 of 1056	98.1%	★★★★★
2016	93.0	44 of 1053	95.8%	★★★★★
2015	95.6	27 of 1067	97.5%	★★★★★
2013	90.2	51 of 1106	95.4%	★★★★★
2012	91.5	43 of 1097	96.1%	★★★★★
2011	95.1	8 of 1092	99.3%	★★★★★
2010	95.1	11 of 1088	99.0%	★★★★★
2009	95.6	10 of 1072	99.1%	★★★★★
2008	95.0	16 of 1067	98.5%	★★★★★
2007	96.9	5 of 1069	99.5%	★★★★★
2006	94.5	16 of 1051	98.5%	★★★★★
2005	97.1	4 of 1031	99.6%	★★★★★
2004	98.1	2 of 1026	99.8%	★★★★★

Asian

Year	Avg score	Statewide rank	Washington percentile	Rating
2022	83.5	27 of 187	85.6%	★★★★☆
2021	83.0	20 of 131	84.7%	★★★★☆
2019	86.4	15 of 201	92.5%	★★★★★

Female

Year	Avg score	Statewide rank	Washington percentile	Rating
2025	94.3	48 of 1092	95.6%	★★★★★
2024	97.0	13 of 1093	98.8%	★★★★★
2023	96.4	23 of 1094	97.9%	★★★★★
2022	95.9	32 of 1100	97.1%	★★★★★
2021	98.3	13 of 1008	98.7%	★★★★★
2019	94.6	20 of 1068	98.1%	★★★★★
2018	96.3	11 of 1004	98.9%	★★★★★

Male

Year	Avg score	Statewide rank	Washington percentile	Rating
2025	97.6	12 of 1098	98.9%	★★★★★
2024	97.4	12 of 1099	98.9%	★★★★★
2023	97.7	9 of 1099	99.2%	★★★★★
2022	97.6	11 of 1113	99.0%	★★★★★
2021	99.0	4 of 1025	99.6%	★★★★★
2019	97.2	9 of 1075	99.2%	★★★★★
2018	97.4	5 of 999	99.5%	★★★★★

Special Education

Year	Avg score	Statewide rank	Washington percentile	Rating
2019	62.7	146 of 566	74.2%	★★★★☆

White

Year	Avg score	Statewide rank	Washington percentile	Rating
2025	95.5	10 of 1007	99.0%	★★★★★
2024	94.9	12 of 1009	98.8%	★★★★★
2023	90.6	65 of 1011	93.6%	★★★★★
2022	95.3	10 of 1031	99.0%	★★★★★
2021	98.5	1 of 943	99.9%	★★★★★
2019	92.9	18 of 1027	98.2%	★★★★★
2018	93.2	14 of 833	98.3%	★★★★★

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

White (2025)99th percentile~ school

Male (2025)99th percentile~ school

Female (2025)96th percentile-3 vs school

Asian (2022)86th percentile-13 vs school

Special Education (2019)74th percentile-25 vs school

By subject vs Washington (2024-2025) ?

English Language Arts89%+36 vs state

Math88%+45 vs state

Science87%+37 vs state

2.3

3 ratings · 3 written reviews

5★1

4★0

3★0

2★0

1★2

Rate Lakeridge Elementary School

Have first-hand experience? A quick rating - and a sentence or two about what stands out (teachers, academics, safety, communication) - helps other families know what to expect.

Takes about a minute. We email you a link to verify your review - your address is never shown publicly.

Tap a star to rate

What people are saying

by a citizen
Friday, January 17, 2014

One year later, I wonder if much has changed? Losing an Admin member would certainly benefit the school community. I wonder if slander is still present in the school hallways? What of bullying? Close Quote

by a parent
Wednesday, May 22, 2013

The staff at Lakeridge is super responsive and supportive. Any hint of bullying is swiftly addressed. The parent participation is off the charts. Close Quote

by a citizen
Friday, May 3, 2013

Everything is not as it seems. Poor staff morale. Fourth grade team needs a little work. Leadership is weak. Close Quote

Schools Near Lakeridge Elementary School

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Immunizations Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				WCAS Science (2025)			SBAC English Language Arts (2025)							SBAC Math (2025)							% Completely Immunized (2024)	% Polio (2024)	% Measles (2024)	% Mumps (2024)	% Rubella (2024)	% Diphtheria (2024)	% Hepatitis B (2024)	% Varicella (2024)	% Pertussis (2024)	% Tetanus (2024)	Per Pupil Expenditures (2024)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	WCAS Science 5th Grade	WCAS Science 8th Grade	WCAS Science All Grades	SBAC English Language Arts 3rd Grade	SBAC English Language Arts 4th Grade	SBAC English Language Arts 5th Grade	SBAC English Language Arts 6th Grade	SBAC English Language Arts 7th Grade	SBAC English Language Arts 8th Grade	SBAC English Language Arts All Grades	SBAC Math 3rd Grade	SBAC Math 4th Grade	SBAC Math 5th Grade	SBAC Math 6th Grade	SBAC Math 7th Grade	SBAC Math 8th Grade	SBAC Math All Grades	% Completely Immunized KG	% Polio KG	% Measles KG	% Mumps KG	% Rubella KG	% Diphtheria KG	% Hepatitis B KG	% Varicella KG	% Pertussis KG	% Tetanus KG	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Lakeridge Elementary School	Public	K-5	8215 SE 78th	Mercer Island	98040	King County	Mercer Island School District	No	No	No	No	(206) 236-3415	401	23	17.1	3.5%	175 (43.6%)	3 (0.7%)	19 (4.7%)	118 (29.4%)	1 (0.2%)	0 (0.0%)	84 (20.9%)	97.9	11^th of 1160 public elementary schools	99.1%		98.1	11^th of 1168 public elementary schools	99.1%		86.6		86.6	91.5	87.0	88.5				88.9	89.0	91.3	82.1				87.7	97.4	100.0	97.4	97.4	97.4	100.0	100.0	100.0	100.0	100.0	$17,990	$264	$17,726
Island Park Elementary	Public	K-5	5437 Island Crest Way	Mercer Island	98040	King County	Mercer Island School District	No	No	No	No	(206) 236-3410	364	24	14.9	2.2%	203 (55.8%)	1 (0.3%)	25 (6.9%)	73 (20.1%)	0 (0.0%)	0 (0.0%)	61 (16.8%)	98	10^th of 1160 public elementary schools	99.1%		98.5	7^th of 1168 public elementary schools	99.4%	3	90.9		90.9	82.2	86.5	96.3				87.6	86.3	87.8	89.3				87.7	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	$20,339	$439	$19,900
Kennydale Elementary School	Public	K-5	1700 NE 28th St	Renton	98056	King County	Renton School District	No	No	No	No	(425) 204-4700	511	31	16.5	39.3%	117 (22.9%)	36 (7.0%)	173 (33.9%)	110 (21.5%)	0 (0.0%)	1 (0.2%)	74 (14.5%)	58.9	448^th of 1160 public elementary schools	61.4%		65.1	383^rd of 1168 public elementary schools	67.2%	65	57.6		57.6	45.8	51.2	57.1				51.8	49.4	58.8	57.6				55.5	91.5	91.5	93.2	93.2	93.2	93.2	94.9	93.2	93.2	93.2	$19,922	$1,478	$18,444
Emerson Elementary School	Public	PK, KG-5	9709 60 Av S	Seattle	98118	King County	Seattle School District No. 1	No	No	No	Yes	(206) 252-7100	398	26	15.3	73.6%	43 (10.8%)	179 (45.0%)	97 (24.4%)	35 (8.8%)	2 (0.5%)	5 (1.3%)	35 (8.8%)	7.7	1121^st of 1160 public elementary schools	3.4%		12.2	1079^th of 1168 public elementary schools	7.6%	42	18.6		18.6	28.1	17.3	23.7				23.2	22.8	21.6	20.3				21.6	81.8	90.9	81.8	81.8	81.8	90.9	94.6	87.3	90.9	90.9	$28,461	$2,869	$25,592
Graham Hill Elementary School	Public	PK, KG-5	5149 S Graham St	Seattle	98118	King County	Seattle School District No. 1	No	No	No	Yes	(206) 252-7140	266	22	12.0	47.4%	71 (26.7%)	56 (21.1%)	63 (23.7%)	37 (13.9%)	0 (0.0%)	2 (0.8%)	33 (12.4%)	44	624^th of 1160 public elementary schools	46.2%		31.4	802^nd of 1168 public elementary schools	31.3%	178	45.2		45.2	41.2	53.1	52.4				49.1	58.8	31.3	41.5				43.9	81.6	84.2	84.2	84.2	84.2	84.2	84.2	84.2	84.2	84.2	$25,715	$1,394	$24,322
South Shore Pk-8 School	Public	PK, KG-8	4800 S Henderson St	Seattle	98118	King County	Seattle School District No. 1	No	No	No	Yes	(206) 252-7600	546	45	12.2	64.1%	102 (18.7%)	245 (44.9%)	60 (11.0%)	86 (15.8%)	0 (0.0%)	0 (0.0%)	53 (9.7%)	33.9	765^th of 1160 public elementary schools	34.1%		27	867^th of 1168 public elementary schools	25.8%	102	46.0	23.3	33.6	41.2	28.0	52.9	51.7	42.2	45.0	43.8	33.3	22.0	46.0	31.0	34.1	24.6	31.5	89.7	89.7	91.4	91.4	91.4	89.7	94.8	91.4	89.7	89.7	$30,822	$1,407	$29,415
Hazelwood Elementary School	Public	K-5	7100 116th Ave SE	Newcastle	98056	King County	Renton School District	No	No	No	No	(425) 204-4550	478	26	18.1	20.3%	200 (41.8%)	18 (3.8%)	49 (10.3%)	139 (29.1%)	3 (0.6%)	2 (0.4%)	67 (14.0%)	82.5	191^st of 1160 public elementary schools	83.5%		93.4	69^th of 1168 public elementary schools	94.1%	122	74.7		74.7	54.9	76.7	67.1				66.4	63.4	71.2	69.6				68.2	92.5	97.0	94.0	94.0	94.0	97.0	95.5	94.0	97.0	97.0	$19,671	$982	$18,688
Dunlap Elementary School	Public	PK, KG-5	4525 S Cloverdale St	Seattle	98118	King County	Seattle School District No. 1	No	No	No	Yes	(206) 252-7000	261	25	10.6	77.0%	33 (12.6%)	75 (28.7%)	51 (19.5%)	71 (27.2%)	0 (0.0%)	2 (0.8%)	29 (11.1%)	25.2	897^th of 1160 public elementary schools	22.7%		34.5	763^rd of 1168 public elementary schools	34.7%	134	30.6		30.6	45.2	33.3	57.1				47.3	29.0	22.6	28.6				27.0	75.8	93.9	93.9	93.9	93.9	81.8	97.0	87.9	81.8	81.8	$28,482	$1,375	$27,108
Lakeridge Elementary School	Public	K-5	7400 S 115th St	Seattle	98178	King County	Renton School District	No	No	No	Yes	(425) 204-4100	287	21	13.5	62.7%	46 (16.0%)	97 (33.8%)	60 (20.9%)	59 (20.6%)	1 (0.3%)	2 (0.7%)	22 (7.7%)	22.1	947^th of 1160 public elementary schools	18.4%		16.8	1017^th of 1168 public elementary schools	12.9%	70	41.7		41.7	34.2	20.9	47.9				34.9	31.0	18.6	37.5				29.3	87.0	93.5	95.7	95.7	95.7	95.7	93.5	95.7	95.7	95.7	$23,735	$2,908	$20,827
Martin Luther King Junior Elementary School	Public	PK, KG-5	6725 45 Ave S	Seattle	98118	King County	Seattle School District No. 1	No	No	No	Yes	(206) 252-6770	289	21	13.5	73.0%	18 (6.2%)	143 (49.5%)	45 (15.6%)	51 (17.6%)	4 (1.4%)	2 (0.7%)	26 (9.0%)	17	1000^th of 1160 public elementary schools	13.8%		19.6	976^th of 1168 public elementary schools	16.4%	24	39.5		39.5	27.3	22.5	32.6				27.6	33.3	17.5	37.2				29.3	69.2	76.9	76.9	76.9	76.9	71.8	92.3	76.9	71.8	71.8	$27,978	$2,247	$25,731

Frequently Asked Questions about Lakeridge Elementary School

How many students attend Lakeridge Elementary School?

In the 2024-25 school year, 401 students attended Lakeridge Elementary School.

What schools do graduates of Lakeridge Elementary School attend?

Students who attend Lakeridge Elementary School usually go on to attend:

Middle : Islander Middle School
High : Mercer Island High School

What district is Lakeridge Elementary School in?

Mercer Island School District

Is Lakeridge Elementary School a good school?

Yes! Lakeridge Elementary School is one of the best elementary schools in the state. It ranks 11^th of 1160 Washington elementary schools.

What is the racial makeup of Lakeridge Elementary School?

Students at Lakeridge Elementary School are 44% White, 29% Asian, 21% Two or more races, 5% Hispanic.

Rate Lakeridge Elementary School!

Other helpful SchoolDigger resources...

Compare to nearby schools

WAWashington Elementary School Rankings

WAWashington District Rankings

Schools in Mercer Island, WA

Sign up for updates!

Be the first to know when there is an update for Lakeridge Elementary School!

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau, the Washington State Department of Health and the Washington Office of Superindentent of Public Instruction.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.