Home > Washington > King County

Mercer Island School District

Item: Mercer Island School District
Rating: 10
Author: Public School Review

4160 86th Ave Se
Mercer Island, WA 98040-4196

( shown in map)

10/

Top 1%

Tel: (206) 236-3300

www.mercerislandschools.org

Top Rankings

Mercer Island School District ranks among the top 20% of public school district in Washington for:

Overview

This School District

This State (WA)

# Schools

6 Schools

1,831 Schools

# Students

3,993 Students

737,732 Students

# Teachers

220 Teachers

43,880 Teachers

Student-Teacher Ratio

18:1

Student By Grade

View Data

Comparison of Students By Grade Trends
Grade	Mercer Island School District	Washington
Pre-K	33	41
Kind	218	224
1	212	220
2	277	234
3	290	245
4	294	234
5	270	241
6	290	242
7	341	217
8	329	214

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

District Rank

Mercer Island School District, which is ranked within the top 1% of all 306 school districts in Washington (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.

The school district's graduation rate of 94% has decreased from 95% over five school years.

This School District

State Average (WA)

#1 out of 307 school districts
(Top 1%)

View Data

Showing 2013–2023. Full 14-year historical data available below ↓

Overall School District Rank Trends
Year	Mercer Island School District
2023	#1
2022	#1
2021	#1
2019	#1
2018	#1
2017	#1
2016	#1
2015	#1
2014	#1
2013	#1
2012	#1
2011	#1
2010	#1

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

79%

41%

View Data

Showing 2012–2023. Full 14-year historical data available below ↓

Math Proficiency Trends
Year	Mercer Island School District	Washington
2023	79%	41%
2022	80%	40%
2019	83%	50%
2018	83%	51%
2017	83%	51%
2016	81%	51%
2015	81%	49%
2014	99%	65%
2013	89%	64%
2012	91%	63%
2011	89%	60%
2010	86%	54%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

85%

53%

View Data

Showing 2011–2022. Full 13-year historical data available below ↓

Reading and Language Arts Proficiency Trends
Year	Mercer Island School District	Washington
2022	85%	53%
2019	87%	61%
2018	83%	61%
2017	88%	61%
2016	87%	62%
2015	82%	56%
2014	95%	74%
2013	92%	73%
2012	92%	72%
2011	93%	70%
2010	93%	70%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

81%

49%

94%

83.8%

View Data

Showing 2012–2023. Full 13-year historical data available below ↓

Graduation Rate Trends
Year	Mercer Island School District	Washington
2023	94%	83%
2022	92%	84%
2019	93%	84%
2018	96%	88%
2017	95%	82%
2016	94%	81%
2015	94%	81%
2014	90%	80%
2013	93%	78%
2012	93%	78%
2011	94%	77%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

(2022-23)

5.6%

34.7%

View Data

Chronic Absenteeism Rate Trends
Year	Mercer Island School District	Washington
2023	5.6%	34.7%
2022	6.8%	18.4%
2021	3.5%	24.3%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Students by Ethnicity:

0.67

0.69

View Data

Showing 2014–2023. Full 36-year historical data available below ↓

Comparison of Diversity Score Trends
Year	Mercer Island School District	Washington
2023	0.65	0.68
2022	0.64	0.68
2021	0.60	0.67
2020	0.56	0.65
2019	0.56	0.65
2018	0.52	0.65
2017	0.52	0.64
2016	0.50	0.63
2015	0.49	0.62
2014	0.47	0.61
2013	0.46	0.61
2012	0.44	0.59
2011	0.42	0.57
2010	0.40	0.54
2009	0.39	0.53
2008	0.37	0.52
2007	0.36	0.51
2006	0.36	0.50
2005	0.35	0.49
2004	0.35	0.48
2003	0.35	0.46
2002	0.32	0.45
2001	0.31	0.42
2000	0.31	0.42
1999	0.31	0.41
1998	0.31	0.40
1997	0.30	0.40
1996	0.29	0.38
1995	0.27	0.37
1994	0.29	0.35
1993	0.28	0.34
1992	0.26	0.34
1991	0.25	0.32
1990	0.23	0.31
1989	0.23	0.29
1988	0.22	0.29

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% American Indian

n/a

% Asian

28%

View Data

Showing 2014–2023. Full 36-year historical data available below ↓

Asian Student Percentage Comparison (1988-2023)
Year	Mercer Island School District	Washington
2023	27%	9%
2022	26%	9%
2021	25%	8%
2020	22%	8%
2019	22%	8%
2018	21%	8%
2017	21%	8%
2016	20%	7%
2015	19%	7%
2014	19%	7%
2013	19%	7%
2012	20%	7%
2011	19%	7%
2010	22%	9%
2009	21%	9%
2008	20%	9%
2007	19%	9%
2006	19%	8%
2005	19%	8%
2004	18%	8%
2003	17%	8%
2002	17%	8%
2001	15%	7%
2000	16%	7%
1999	16%	7%
1998	15%	7%
1997	14%	7%
1996	15%	6%
1995	12%	6%
1994	13%	6%
1993	13%	6%
1992	12%	6%
1991	12%	6%
1990	11%	5%
1989	11%	5%
1988	10%	5%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Hispanic

26%

View Data

Showing 2014–2023. Full 35-year historical data available below ↓

Hispanic Student Percentage Comparison (1989-2023)
Year	Mercer Island School District	Washington
2023	7%	26%
2022	7%	25%
2021	5%	25%
2020	5%	24%
2019	5%	24%
2018	4%	23%
2017	4%	23%
2016	4%	23%
2015	4%	22%
2014	4%	21%
2013	4%	20%
2012	3%	20%
2011	3%	18%
2010	3%	17%
2009	3%	16%
2008	2%	15%
2007	2%	14%
2006	2%	14%
2005	1%	13%
2004	2%	12%
2003	2%	12%
2002	1%	11%
2001	1%	10%
2000	1%	10%
1999	1%	9%
1998	1%	8%
1997	2%	8%
1996	1%	8%
1995	1%	7%
1994	1%	7%
1993	1%	6%
1992	1%	6%
1991	1%	6%
1989	1%	5%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Black

View Data

Showing 2013–2023. Full 36-year historical data available below ↓

Black Student Percentage Comparison (1988-2023)
Year	Mercer Island School District	Washington
2023	1%	5%
2022	1%	5%
2021	1%	5%
2020	1%	4%
2019	1%	5%
2018	1%	4%
2017	1%	4%
2015	1%	5%
2014	1%	5%
2013	1%	5%
2012	1%	5%
2011	2%	5%
2010	1%	6%
2009	1%	6%
2008	1%	6%
2007	1%	6%
2006	1%	6%
2005	1%	6%
2004	1%	6%
2003	2%	5%
2002	1%	5%
2001	2%	5%
2000	2%	5%
1999	2%	5%
1998	2%	5%
1997	2%	5%
1996	1%	5%
1995	2%	5%
1994	2%	4%
1993	2%	4%
1992	2%	4%
1991	2%	4%
1990	2%	4%
1989	1%	4%
1988	2%	4%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% White

48%

View Data

Showing 2014–2023. Full 36-year historical data available below ↓

White Student Percentage Comparison (1988-2023)
Year	Mercer Island School District	Washington
2023	51%	49%
2022	53%	50%
2021	57%	51%
2020	61%	53%
2019	61%	53%
2018	66%	54%
2017	66%	55%
2016	68%	56%
2015	69%	57%
2014	70%	58%
2013	71%	59%
2012	72%	60%
2011	74%	63%
2010	74%	65%
2009	75%	66%
2008	77%	67%
2007	78%	68%
2006	78%	69%
2005	79%	70%
2004	79%	71%
2003	79%	72%
2002	81%	73%
2001	82%	75%
2000	81%	75%
1999	81%	76%
1998	82%	77%
1997	82%	77%
1996	83%	78%
1995	85%	79%
1994	84%	80%
1993	84%	81%
1992	85%	81%
1991	85%	82%
1990	87%	83%
1989	87%	84%
1988	88%	84%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Hawaiian

n/a

% Two or more races

15%

View Data

Showing 2014–2023. Full 13-year historical data available below ↓

Two or More Races Student Percentage Comparison (2011-2023)
Year	Mercer Island School District	Washington
2023	14%	9%
2022	13%	9%
2021	12%	9%
2020	11%	9%
2019	11%	8%
2018	8%	8%
2017	8%	8%
2016	8%	7%
2015	7%	7%
2014	6%	7%
2013	5%	6%
2012	3%	6%
2011	2%	4%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

All Ethnic Groups

District Revenue and Spending

The revenue/student of $22,329 is higher than the state median of $21,173. The school district revenue/student has grown by 7% over four school years.

The school district's spending/student of $21,028 is less than the state median of $21,108. The school district spending/student has stayed relatively flat over four school years.

This School District

This State (WA)

Total Revenue

$89 MM

$23,221 MM

View Data

Showing 2014–2023. Full 34-year historical data available below ↓

Total Revenues Trends
Year	Mercer Island School District	Washington
2023	$89 MM	$18 MM
2022	$84 MM	$17 MM
2021	$81 MM	$18 MM
2020	$81 MM	$18 MM
2019	$84 MM	$16 MM
2018	$76 MM	$13 MM
2017	$72 MM	$13 MM
2016	$66 MM	$14 MM
2015	$51 MM	$12 MM
2014	$57 MM	$12 MM
2012	$55 MM	$12 MM
2011	$53 MM	$12 MM
2010	$51 MM	$12 MM
2009	$49 MM	$12 MM
2008	$44 MM	$11 MM
2007	$42 MM	$10 MM
2006	$41 MM	$10 MM
2005	$40 MM	$9 MM
2004	$39 MM	$9 MM
2003	$40 MM	$9 MM
2002	$35 MM	$9 MM
2001	$35 MM	$9 MM
2000	$34 MM	$8 MM
1999	$33 MM	$8 MM
1998	$32 MM	$7 MM
1997	$29 MM	$7 MM
1996	$28 MM	$7 MM
1995	$25 MM	$6 MM
1992	$19 MM	$5 MM
1990	$18 MM	$4 MM

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Spending

$84 MM

$23,150 MM

View Data

Showing 2014–2023. Full 34-year historical data available below ↓

Total Expenditure Trends
Year	Mercer Island School District	Washington
2023	$84 MM	$18 MM
2022	$84 MM	$17 MM
2021	$74 MM	$15 MM
2020	$75 MM	$17 MM
2019	$75 MM	$16 MM
2018	$71 MM	$14 MM
2017	$71 MM	$13 MM
2016	$116 MM	$13 MM
2015	$45 MM	$10 MM
2014	$54 MM	$11 MM
2012	$50 MM	$12 MM
2011	$46 MM	$11 MM
2010	$45 MM	$10 MM
2009	$45 MM	$11 MM
2008	$42 MM	$11 MM
2007	$39 MM	$10 MM
2006	$39 MM	$9 MM
2005	$36 MM	$9 MM
2004	$36 MM	$9 MM
2003	$35 MM	$8 MM
2002	$34 MM	$9 MM
2001	$35 MM	$9 MM
2000	$32 MM	$8 MM
1999	$31 MM	$8 MM
1998	$44 MM	$7 MM
1997	$45 MM	$7 MM
1996	$29 MM	$7 MM
1995	$39 MM	$6 MM
1992	$19 MM	$6 MM
1990	$18 MM	$4 MM

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Revenue / Student

$22,329

$21,173

View Data

Showing 2012–2023. Full 34-year historical data available below ↓

Average Revenue Per Student Trends
Year	Mercer Island School District	Washington
2023	$21,977	$23,207
2022	$20,722	$22,063
2021	$19,423	$22,261
2020	$18,074	$20,595
2018	$16,875	$17,034
2017	$16,001	$16,266
2016	$14,931	$16,359
2015	$11,390	$11,994
2014	$13,142	$12,940
2012	$12,683	$12,445
2011	$12,543	$12,577
2010	$12,277	$11,994
2009	$11,858	$12,260
2008	$10,964	$11,273
2007	$10,401	$10,323
2006	$9,946	$9,385
2005	$9,657	$8,889
2004	$9,470	$9,060
2003	$9,666	$8,698
2002	$8,456	$7,902
2001	$8,094	$8,010
2000	$7,987	$7,416
1999	$7,925	$7,257
1998	$7,924	$6,806
1997	$7,402	$6,273
1995	$6,915	$5,897
1992	$5,805	$5,711
1990	$5,554	$4,869

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Spending / Student

$21,028

$21,108

View Data

Showing 2012–2023. Full 34-year historical data available below ↓

Average Expenditure Per Student Trends
Year	Mercer Island School District	Washington
2023	$20,696	$23,082
2022	$20,616	$22,151
2021	$17,562	$19,082
2020	$16,746	$19,584
2018	$15,634	$17,238
2017	$15,721	$16,506
2016	$26,050	$15,517
2015	$10,026	$10,499
2014	$12,513	$12,404
2012	$11,574	$11,905
2011	$10,950	$11,693
2010	$10,806	$10,499
2009	$10,940	$11,231
2008	$10,353	$11,125
2007	$9,693	$9,967
2006	$9,364	$8,893
2005	$8,777	$8,879
2004	$8,605	$8,617
2003	$8,434	$8,253
2002	$8,092	$7,974
2001	$8,084	$8,055
2000	$7,489	$7,278
1999	$7,511	$7,029
1998	$10,878	$6,800
1997	$11,526	$6,422
1995	$10,902	$6,024
1992	$5,812	$6,438
1990	$5,415	$4,978

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full School District Data: Full School Distirct Dataset XML | Full School Distirct Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Best Mercer Island School District Public Elementary Schools (2026-27)

School
(Math and Reading Proficiency)

Location

Quick Facts

Rank: #11.

Island Park Elementary School

(Math: 85-89% | Reading: 90-94%)
:

10/

Top 1%

Add to Compare

5437 Island Crest Way
Mercer Island, WA 98040
(206) 236-3410

Gr: K-5 | 364 students Student-teacher ratio: 15:1 Minority enrollment: 44%

Rank: #22.

Lakeridge Elementary School

(Math: 87% | Reading: 88%)
:

10/

Top 5%

Add to Compare

8215 Se 78th
Mercer Island, WA 98040
(206) 236-3415

Gr: K-5 | 401 students Student-teacher ratio: 17:1 Minority enrollment: 56%

Rank: #33.

West Mercer Elementary School

(Math: 85% | Reading: 86%)
:

10/

Top 5%

Add to Compare

4141 81st Ave Se
Mercer Island, WA 98040
(206) 236-3430

Gr: K-5 | 431 students Student-teacher ratio: 17:1 Minority enrollment: 58%

Rank: #44.

Islander Middle School

(Math: 74% | Reading: 80%)
:

10/

Top 5%

Add to Compare

8225 Se 72nd
Mercer Island, WA 98040
(206) 236-3413

Gr: 6-8 | 960 students Student-teacher ratio: 21:1 Minority enrollment: 54%

Rank: #55.

Northwood Elementary School

(Math: 70-74% | Reading: 75-79%)
:

10/

Top 10%

Add to Compare

4030 86th Ave Se
Mercer Island, WA 98040
(253) 841-8740

Gr: PK-5 | 398 students Student-teacher ratio: 15:1 Minority enrollment: 54%

Recent Articles

October 14, 2026

Does Your Public School Have Enough Nurses?

Learn whether your public school has enough nurses, how staffing affects student safety, chronic illness management, emergency care, and what parents should ask about available school health services today.

October 14, 2026

When Your Child Falls Behind Without Special Education

Learn what happens when your child falls behind academically but doesn't qualify for special education, including available school interventions, parent rights, tutoring options, and practical strategies for securing support.

October 14, 2026

When Your Child Finishes Classwork Faster Than Others

Discover why some children finish classwork faster than classmates, how teachers manage early finishers, and what parents can do to ensure meaningful learning, appropriate challenges, and continued academic growth.

Quick Facts (26-27)

District size: 6 schools
Grades: PK-12
Enrollment: 3,993 students
Student-Teacher Ratio: 18:1
Minority Enrollment: 52%
: 94% (Top 5% in WA)
: Top 1%
: 79% (Top 1%)
: 85% (Top 1%)
: 81% (Top 1%)
Source: National Center for Education Statistics (NCES), WA Dept. of Education