Lakeridge Elementary School (Ranked Top 5% for 2025)

8215 Se 78th
Mercer Island, WA 98040

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Top 5%

Tel: (206) 236-3415

lr.mercerislandschools.org

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Serving 403 students in grades Kindergarten-5, Lakeridge Elementary School ranks in the top 5% of all schools in Washington for overall test scores (math proficiency is top 1%, and reading proficiency is top 1%).

The percentage of students achieving is 87% (which is higher than the Washington state average of 41%). The percentage of students achieving is 88% (which is higher than the Washington state average of 53%).

The student-teacher ratio of 18:1 is higher than the Washington state level of 16:1.

Minority enrollment is 55% of the student body (majority Asian), which is higher than the Washington state average of 52% (majority Hispanic and Asian).

Quick Facts (2025)

Grades: Kindergarten-5
Enrollment: 403 students
Student-Teacher Ratio: 18:1
Minority Enrollment: 55%
: Top 5% in WA
: 87% (Top 1%)
: 88% (Top 5%)
: 85-89% (Top 5%)
Source: National Center for Education Statistics (NCES), WA Dept. of Education

Top Rankings

Lakeridge Elementary School ranks among the top 20% of public schools in Washington for:

School Overview

Lakeridge Elementary School's student population of 403 students has declined by 12% over five school years.

The teacher population of 22 teachers has declined by 18% over five school years.

Grades Offered

Grades Kindergarten-5
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Lakeridge Elementary School
Kind	36
1	55
2	62
3	86
4	71
5	93

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Total Students

403 students

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Total Students Trends Over Years (1987-2023)
Year	Lakeridge Elementary School
2023	397
2022	370
2021	404
2020	463
2019	463
2018	484
2017	484
2016	622
2015	644
2014	610
2013	603
2012	576
2011	600
2010	575
2009	580
2008	550
2007	536
2006	538
2005	540
2004	558
2003	581
2002	595
2001	624
2000	604
1999	613
1998	606
1997	590
1996	568
1995	544
1994	518
1993	518
1992	531
1991	531
1990	550
1989	503
1988	439
1987	465

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Gender %

Total Classroom Teachers

22 teachers

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Total Classroom Teachers Trends Over Years (1990-2023)
Year	Lakeridge Elementary School
2023	22
2022	23
2021	25
2020	27
2019	27
2018	26
2017	26
2016	32
2015	40
2013	33
2012	31
2011	32
2010	30
2009	30
2008	30
2007	28
2006	28
2005	28
2004	29
2003	28
2002	30
2001	30
2000	30
1999	30
1998	28
1997	27
1996	24
1995	26
1994	26
1993	25
1992	27
1991	25
1990	27

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School Calendar

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School Rankings

Lakeridge Elementary School ranks within the top 5% of all 2,088 schools in Washington (based off of combined math and reading proficiency testing data).

The of Lakeridge Elementary School is 0.67, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.

This School

State Level (WA)

#22 out of 2088 schools
(Top 5%)

View Data

Overall School Rank Trends Over Years (2011-2023)
Year	Lakeridge Elementary School
2023	#22
2022	#28
2021	#29
2019	#29
2018	#18
2017	#45
2016	#55
2015	#37
2013	#59
2012	#46
2011	#17

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87%

41%

View Data

Math Proficiency Comparison Over Years (2010-2023)
Year	Lakeridge Elementary School	Washington	Mercer Island School District
2023	87%	41%	79%
2022	85%	40%	80%
2019	87%	50%	83%
2018	89%	51%	83%
2017	84%	51%	83%
2016	82%	51%	81%
2015	86%	49%	81%
2013	89%	64%	89%
2012	91%	63%	91%
2011	91%	60%	89%
2010	87%	54%	86%

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88%

53%

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Reading and Language Arts Proficiency Comparison Over Years (2010-2022)
Year	Lakeridge Elementary School	Washington	Mercer Island School District
2022	88%	53%	85%
2019	89%	61%	87%
2018	91%	61%	83%
2017	90%	61%	88%
2016	87%	62%	87%
2015	87%	56%	82%
2013	93%	73%	92%
2012	91%	72%	92%
2011	94%	70%	93%
2010	92%	70%	93%

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85-89%

49%

Student-Teacher Ratio

18:1

16:1

View Data

Student-Teacher Ratio Comparison Over Years (1990-2023)
Year	Lakeridge Elementary School	Washington	Mercer Island School District
2023	18:1	16:1	19:1
2022	16:1	16:1	18:1
2021	16:1	16:1	18:1
2020	17:1	17:1	18:1
2019	17:1	17:1	18:1
2018	19:1	19:1	19:1
2017	19:1	18:1	19:1
2016	19:1	19:1	20:1
2015	16:1	18:1	19:1
2013	19:1	19:1	20:1
2012	18:1	20:1	21:1
2011	19:1	19:1	21:1
2010	19:1	19:1	21:1
2009	19:1	19:1	20:1
2008	18:1	19:1	20:1
2007	19:1	19:1	20:1
2006	19:1	19:1	20:1
2005	19:1	19:1	21:1
2004	19:1	19:1	21:1
2003	21:1	19:1	21:1
2002	20:1	19:1	20:1
2001	21:1	20:1	21:1
2000	20:1	20:1	21:1
1999	20:1	21:1	21:1
1998	22:1	20:1	21:1
1997	22:1	20:1	22:1
1996	23:1	21:1	22:1
1995	21:1	20:1	21:1
1994	20:1	20:1	21:1
1993	21:1	21:1	21:1
1992	20:1	21:1	20:1
1991	21:1	21:1	23:1
1990	20:1	21:1	20:1

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American Indian

n/a

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American Indian Student Percentage Comparison Over Years (2003-2006)
Year	Lakeridge Elementary School	Washington
2006	1%	3%
2005	1%	3%
2003	1%	3%

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Asian

29%

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Asian Student Percentage Comparison Over Years (1991-2023)
Year	Lakeridge Elementary School	Washington	Mercer Island School District
2023	30%	9%	27%
2022	28%	9%	26%
2021	26%	8%	25%
2020	21%	8%	22%
2019	21%	8%	22%
2018	16%	8%	21%
2017	16%	8%	21%
2016	15%	8%	20%
2015	14%	8%	19%
2014	11%	7%	19%
2013	12%	8%	19%
2012	12%	7%	20%
2011	13%	7%	19%
2010	18%	10%	22%
2009	19%	10%	21%
2008	18%	9%	20%
2007	17%	8%	19%
2006	16%	8%	19%
2005	16%	8%	19%
2004	17%	8%	18%
2003	16%	8%	17%
2002	14%	8%	17%
2001	11%	7%	15%
2000	11%	7%	16%
1999	11%	7%	16%
1998	12%	7%	15%
1997	11%	7%	14%
1996	12%	7%	15%
1995	11%	6%	12%
1994	11%	6%	13%
1993	9%	6%	13%
1992	9%	6%	12%
1991	9%	6%	12%

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Hispanic

26%

View Data

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

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Black

n/a

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Black Student Percentage Comparison Over Years (1988-2014)
Year	Lakeridge Elementary School	Washington	Mercer Island School District
2014	1%	5%	1%
2008	1%	6%	1%
2007	1%	6%	1%
2006	1%	6%	1%
2005	1%	6%	1%
2004	1%	6%	1%
2003	1%	6%	2%
2000	1%	5%	2%
1999	1%	5%	2%
1995	1%	5%	2%
1994	1%	4%	2%
1993	1%	4%	2%
1992	1%	4%	2%
1991	2%	4%	2%
1990	2%	4%	2%
1989	2%	4%	1%
1988	2%	4%	2%

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White

45%

48%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Lakeridge Elementary School	Washington	Mercer Island School District
2023	47%	49%	51%
2022	52%	50%	53%
2021	53%	51%	57%
2020	61%	53%	61%
2019	61%	53%	61%
2018	69%	55%	66%
2017	69%	55%	66%
2016	70%	56%	68%
2015	71%	57%	69%
2014	75%	58%	70%
2013	76%	59%	71%
2012	80%	60%	72%
2011	80%	63%	74%
2010	77%	64%	74%
2009	77%	65%	75%
2008	79%	66%	77%
2007	80%	68%	78%
2006	80%	69%	78%
2005	81%	70%	79%
2004	81%	71%	79%
2003	81%	71%	79%
2002	85%	73%	81%
2001	88%	74%	82%
2000	87%	75%	81%
1999	86%	76%	81%
1998	87%	76%	82%
1997	87%	77%	82%
1996	87%	78%	83%
1995	87%	79%	85%
1994	87%	80%	84%
1993	89%	81%	84%
1992	90%	81%	85%
1991	89%	82%	85%

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Hawaiian

n/a

Two or more races

21%

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Lakeridge Elementary School	Washington	Mercer Island School District
2023	18%	9%	14%
2022	15%	9%	13%
2021	18%	9%	12%
2020	14%	8%	11%
2019	14%	8%	11%
2018	11%	8%	8%
2017	11%	8%	8%
2016	10%	7%	8%
2015	10%	7%	7%
2014	9%	7%	6%
2013	8%	6%	5%

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All Ethnic Groups

0.67

0.69

View Data

Diversity Score Comparison Over Years (1991-2023)
Year	Lakeridge Elementary School	Washington	Mercer Island School District
2023	0.66	0.68	0.65
2022	0.63	0.68	0.64
2021	0.62	0.67	0.60
2020	0.57	0.65	0.56
2019	0.57	0.65	0.56
2018	0.49	0.64	0.52
2017	0.49	0.64	0.52
2016	0.48	0.63	0.50
2015	0.47	0.62	0.49
2014	0.42	0.61	0.47
2013	0.41	0.61	0.46
2012	0.35	0.60	0.44
2011	0.34	0.58	0.42
2010	0.41	0.56	0.40
2009	0.39	0.55	0.39
2008	0.34	0.54	0.37
2007	0.33	0.51	0.36
2006	0.34	0.49	0.36
2005	0.32	0.49	0.35
2004	0.32	0.48	0.35
2003	0.31	0.47	0.35
2002	0.26	0.45	0.32
2001	0.22	0.44	0.31
2000	0.23	0.42	0.31
1999	0.24	0.40	0.31
1998	0.23	0.40	0.31
1997	0.23	0.39	0.30
1996	0.23	0.39	0.29
1995	0.23	0.36	0.27
1994	0.23	0.35	0.29
1993	0.20	0.34	0.28
1992	0.19	0.33	0.26
1991	0.20	0.32	0.25

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Eligible for

49%

View Data

Free Lunch Eligibility Comparison Over Years (2005-2023)
Year	Lakeridge Elementary School	Washington	Mercer Island School District
2023	3%	41%	3%
2022	1%	36%	2%
2021	1%	35%	3%
2020	1%	35%	3%
2019	1%	35%	3%
2018	1%	37%	2%
2017	1%	37%	2%
2016	1%	38%	2%
2015	2%	39%	3%
2014	2%	39%	3%
2013	2%	38%	3%
2012	3%	37%	3%
2011	1%	33%	3%
2010	1%	33%	1%
2009	1%	29%	1%
2006	1%	29%	1%
2005	1%	27%	1%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2010-2023)
Year	Lakeridge Elementary School	Washington	Mercer Island School District
2023	1%	8%	2%
2021	1%	7%	1%
2014	1%	7%	1%
2012	1%	7%	1%
2011	1%	7%	1%
2010	1%	8%	1%

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School Statewide Testing

View Education Department Test Scores

School District Name

Mercer Island School District

Source: National Center for Education Statistics (NCES), WA Dept. of Education

Profile last updated: 02/09/2025

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Frequently Asked Questions

What is Lakeridge Elementary School's ranking?

Lakeridge Elementary School is ranked #22 out of 2,088 schools, which ranks it among the top 5% of public schools in Washington.

What schools are Lakeridge Elementary School often compared to?

Lakeridge Elementary Schoolis often viewed alongside schools like West Mercer Elementary School by visitors of our site.

What percent of students have achieved state testing proficiency in math and reading?

87% of students have achieved math proficiency (compared to the 41% WA state average), while 88% of students have achieved reading proficiency (compared to the 53% WA state average).

How many students attend Lakeridge Elementary School?

403 students attend Lakeridge Elementary School.

What is the racial composition of the student body?

45% of Lakeridge Elementary School students are White, 29% of students are Asian, 21% of students are Two or more races, and 5% of students are Hispanic.

What is the student-teacher ratio of Lakeridge Elementary School?

Lakeridge Elementary School has a student ration of 18:1, which is higher than the Washington state average of 16:1.

What grades does Lakeridge Elementary School offer ?

Lakeridge Elementary School offers enrollment in grades Kindergarten-5 (No virtual instruction).

What school district is Lakeridge Elementary School part of?

Lakeridge Elementary School is part of Mercer Island School District.

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