Islander Middle School

Summary:

Islander Middle School is a highly-rated public middle school located in Mercer Island, Washington, serving around 930 students in grades 6-8. The school is part of the Mercer Island School District, which is ranked 1st out of 247 school districts in the state and has a 5-star rating from SchoolDigger. Islander Middle School has consistently been one of the top-performing middle schools in Washington, ranking within the top 20 schools in the state for the past several years.

Islander Middle School students consistently outperform the state and district averages on standardized tests, with 79.19% of all students proficient or better in ELA, 72.59% in Math, and 69.39% in Science, compared to the state averages of 52.63%, 41.68%, and 49.73%, respectively. The school also ranks among the top schools in the state for various student subgroups, including female students, Asian students, and English Language Learners. Islander Middle School has a relatively high per-student spending of $15,674, compared to the state average of $14,735, and a low student-to-teacher ratio of 19.9 students per teacher, compared to the state average of 17.7.

While Islander Middle School is a top-performing school, the nearby schools in the analysis show a wide range of academic performance and student demographics. For example, Rainier Prep, a public charter school, has a significantly different student population and lower academic performance compared to Islander Middle School. Similarly, schools in the Seattle School District and Renton School District, such as Showalter Middle School and Glacier Middle School, have lower academic performance and higher percentages of students from low-income and minority backgrounds compared to Islander Middle School.


Detail:

Public 6-8

 8225 SE 72nd
       Mercer Island, WA  98040-5399


(206) 236-3413

District: Mercer Island School District

SchoolDigger Rank:
19th of 535 Washington Middle Schools

Per Pupil Expenditures:  $15,674 Help


Students who attend Islander Middle School usually attend:

High:    Mercer Island High School

Feeder schools for Islander Middle School:

Elementary:    Island Park Elementary
    Lakeridge Elementary School
    Northwood Elementary School
    West Mercer Elementary

Student/teacher ratio:  19.9 Help
Number of students:  930

Racial breakdown:

White:
49.6%
Asian:
27.3%
Two or more races:
14.4%
more

Free/discounted lunch recipients:  5.4% Help


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 Compare Islander Middle School to nearby middle schools!

Performance Trends
Help
Compare Details Islander Middle School ranks better than 96.4% of middle schools in Washington. (See more...)
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Compare Details In 2024 the calculated Average Standard Score was 96.17. (See more...)
Student Body
Help
Compare Details Student population at Islander Middle School is diverse. Racial makeup is: White (49.6%), Asian (27.3%), two or more races (14.4%). (See more...)
Help
Compare Details 5.4% of students are receiving a free or discounted lunch. (See more...)
Teachers
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Compare Details The student/teacher ratio at Islander Middle School is 19.9. (See more...)
Help
Compare Islander Middle School employs 46.6 full-time teachers.
Finance
Help
Compare Details The average total spent per student at Islander Middle School is $15,674.
Schooldigger 2024 Rankings:

Islander Middle School:

SchoolDigger ranks Islander Middle School 19th of 535 Washington public middle schools. (See Islander Middle School in the ranking list.)

Middle School Test Score Ratings by Student Subgroup:


Multi-racial students:
English Language Learner students:
Special Education students:
Low Socio Economic Status students:
Female students:
Male students:
Asian students:
Hispanic students:
White students:


Mercer Island School District:

SchoolDigger ranks Mercer Island School District 1st of 247 Washington school districts. (See district ranking list.)


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Your rating for Islander Middle School?

Rank History for Islander Middle School

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Rank History for all students at Islander Middle School

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2004 98.97 7th 421 98.3%
2005 98.22 4th 425 99.1%
2006 97.72 4th 449 99.1%
2007 96.75 10th 463 97.8%
2008 97.33 5th 466 98.9%
2009 95.01 11th 476 97.7%
2010 96.42 5th 483 99.0%
2011 95.18 11th 492 97.8%
2012 94.02 9th 497 98.2%
2013 93.45 11th 498 97.8%
2015 92.16 25th 445 94.4%
2016 95.07 10th 443 97.7%
2017 94.10 14th 435 96.8%
2018 95.59 12th 437 97.3%
2019 95.45 14th 512 97.3%
2021 97.16 12th 529 97.7%
2022 97.03 14th 541 97.4%
2023 96.47 17th 539 96.8%
2024 96.17 19th 535 96.4%
See the entire list of Washington Middle School Rankings!

Rank History for Multi-racial students at Islander Middle School

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2018 92.22 10th 166 94.0%
2019 92.71 4th 246 98.4%
2021 94.69 5th 250 98.0%
2022 92.81 8th 257 96.9%
2023 93.41 6th 244 97.5%
2024 95.99 3rd 243 98.8%
See the entire list of Best Washington Middle Schools for Multi-racial Students!

Rank History for English Language Learner students at Islander Middle School

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2024 97.62 2nd 78 97.4%
See the entire list of Best Washington Middle Schools for English Language Learner Students!

Rank History for Special Education students at Islander Middle School

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2018 95.22 7th 268 97.4%
2019 83.63 19th 231 91.8%
2021 88.44 11th 210 94.8%
2022 78.38 20th 199 89.9%
2023 77.06 23rd 167 86.2%
2024 74.87 28th 179 84.4%
See the entire list of Best Washington Middle Schools for Special Education Students!

Rank History for Low Socio Economic Status students at Islander Middle School

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2018 84.58 31st 349 91.1%
2019 81.80 33rd 448 92.6%
2022 88.58 23rd 475 95.2%
2023 87.08 23rd 463 95.0%
2024 98.50 3rd 455 99.3%
See the entire list of Best Washington Middle Schools for Low Socio Economic Status Students!

Rank History for Female students at Islander Middle School

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2018 94.27 12th 376 96.8%
2019 94.19 12th 452 97.3%
2021 96.92 13th 469 97.2%
2022 96.76 10th 479 97.9%
2023 95.74 15th 464 96.8%
2024 96.95 8th 464 98.3%
See the entire list of Best Washington Middle Schools for Female Students!

Rank History for Male students at Islander Middle School

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2018 96.26 10th 371 97.3%
2019 96.18 8th 453 98.2%
2021 97.35 11th 476 97.7%
2022 97.03 15th 480 96.9%
2023 96.64 14th 470 97.0%
2024 95.08 23rd 466 95.1%
See the entire list of Best Washington Middle Schools for Male Students!

Rank History for Asian students at Islander Middle School

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2018 86.53 15th 123 87.8%
2019 82.82 27th 152 82.2%
2021 86.43 19th 149 87.2%
2022 88.55 14th 161 91.3%
2023 86.98 19th 145 86.9%
2024 85.77 19th 148 87.2%
See the entire list of Best Washington Middle Schools for Asian Students!

Rank History for Hispanic students at Islander Middle School

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2019 96.43 4th 344 98.8%
2021 98.19 5th 353 98.6%
2022 97.85 5th 360 98.6%
2023 93.30 15th 336 95.5%
2024 94.96 11th 344 96.8%
See the entire list of Best Washington Middle Schools for Hispanic Students!

Rank History for White students at Islander Middle School

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools WA State Percentile SchoolDigger Rating
2018 91.92 15th 325 95.4%
2019 92.94 18th 470 96.2%
2021 95.22 17th 480 96.5%
2022 94.36 15th 488 96.9%
2023 93.18 20th 488 95.9%
2024 92.20 25th 486 94.9%
See the entire list of Best Washington Middle Schools for White Students!

Data source: test scores: Washington Office of Superindentent of Public Instruction, rankings: SchoolDigger.com

As you review the school rankings data, please be aware that some of the information from certain demographics is missing. The reason for this omission is that the data has been redacted from the source data itself due to low population samples in these specific demographic groups.

Redacting data from low population samples is a necessary step to ensure the reliability and accuracy of the results, as small sample sizes may not be representative of the broader population. Additionally, this measure helps protect the privacy of individuals belonging to these demographic groups.

Islander Middle School Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
District Scores:
State Scores:    
  
Subgroup: 






Data source: Washington State Office of Superintendent of Public Instruction

Review counts

All ratings (Avg rating: 5)
100%

0%

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0%

0%

  

Reviews:
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Enrollment information for Islander Middle School

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Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
1988 565 15 76 3 1 n/a n/a 0 660
1989 586 15 73 2 0 n/a n/a 0 676
1990 631 16 65 2 1 n/a n/a 0 715
1991 664 19 79 5 0 n/a n/a 0 767
1992 654 17 81 4 0 n/a n/a 0 756
1993 646 21 107 4 0 n/a n/a 0 778
1994 653 22 117 2 0 n/a n/a 0 794
1995 754 13 124 12 1 n/a n/a 0 904
1996 754 13 124 12 1 n/a n/a 0 904
1997 794 17 144 11 2 n/a n/a 0 968
1998 779 18 153 11 1 n/a n/a 0 962
1999 831 14 153 11 1 n/a n/a 0 1010
2000 820 17 162 14 2 n/a n/a 0 1015
2001 854 19 166 18 2 n/a n/a 0 1059
2002 837 16 183 17 0 n/a n/a 0 1053
2003 837 16 183 17 0 n/a n/a 0 1053
2004 846 10 185 17 1 n/a n/a 0 1059
2005 823 14 182 14 1 n/a n/a 0 1034
2006 779 9 183 17 3 n/a n/a 0 991
2007 769 7 185 15 4 n/a n/a 0 980
2008 742 10 190 19 5 n/a n/a 0 966
2009 719 10 199 15 4 n/a n/a 7 954
2010 694 11 212 21 4 n/a n/a 14 956
2011 682 15 201 17 5 1 13 0 934
2012 723 16 212 30 7 0 23 0 1011
2013 734 18 203 32 7 2 32 0 1028
2014 755 9 202 43 5 3 42 0 1059
2015 778 10 201 41 2 3 60 0 1095
2016 765 11 201 40 1 4 83 0 1105
2017 781 16 208 29 0 5 88 0 1127
2018 755 11 235 37 1 4 103 0 1146
2019 707 8 246 52 1 1 121 0 1136
2020 679 7 265 61 1 0 126 0 1139
2021 574 10 245 64 0 0 134 2 1029
2022 499 9 252 60 1 4 128 3 956
2023 461 6 254 68 2 3 134 2 930

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity

For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at Islander Middle School

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Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1988 660 32.0 20.6 0
1989 676 31.0 21.8 n/a
1990 715 34.4 20.7 0
1991 767 34.0 22.5 n/a
1992 756 39.0 19.3 n/a
1993 778 39.2 19.8 n/a
1994 794 39.5 20.1 n/a
1995 904 40.2 22.5 n/a
1996 904 40.2 22.5 n/a
1997 968 45.5 21.3 n/a
1998 962 46.4 20.7 n/a
1999 1010 48.1 21.0 n/a
2000 1015 49.1 20.7 n/a
2001 1059 50.5 21.0 n/a
2002 1053 50.5 20.9 2
2003 1053 50.5 20.9 2
2004 1059 51.0 20.8 2.5
2005 1034 51.2 20.2 3.8
2006 991 51.8 19.1 2.3
2007 980 50.7 19.3 1.8
2008 966 49.4 19.6 1.4
2009 954 49.4 19.3 1.4
2010 956 46.1 20.7 2.8
2011 934 45.6 20.4 3.4
2012 1011 47.2 21.4 2.8
2013 1028 48.3 21.2 4.4
2014 1059 n/a n/a 4.4
2015 1095 50.0 21.9 4.3
2016 1105 52.0 21.2 3.7
2017 1127 52.0 21.6 2.7
2018 1146 52.5 21.7 3.3
2019 1136 53.4 21.2 4.6
2020 1139 54.8 20.7 4.7
2021 1029 54.3 18.9 3.8
2022 956 53.8 17.7 2.9
2023 930 46.6 19.9 5.4

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch:

The National School Lunch Program (NSLP) provides low-cost or free meals to students in U.S. public and nonprofit private schools based on household income. Those with incomes below 130% of the poverty line receive free lunch, while those between 130% and 185% qualify for reduced-price lunch. The percentage of students receiving free or reduced-price lunch serves as a marker for poverty, as it reflects the socioeconomic status of families in a given school or district. A higher FRPL rate typically indicates a higher concentration of low-income families, suggesting that the school or district may face additional challenges in providing adequate resources and support for student success.

Student/Teacher Ratio Islander Middle School

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Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1988 660 32.0 20.6 0
1989 676 31.0 21.8 n/a
1990 715 34.4 20.7 0
1991 767 34.0 22.5 n/a
1992 756 39.0 19.3 n/a
1993 778 39.2 19.8 n/a
1994 794 39.5 20.1 n/a
1995 904 40.2 22.5 n/a
1996 904 40.2 22.5 n/a
1997 968 45.5 21.3 n/a
1998 962 46.4 20.7 n/a
1999 1010 48.1 21.0 n/a
2000 1015 49.1 20.7 n/a
2001 1059 50.5 21.0 n/a
2002 1053 50.5 20.9 2
2003 1053 50.5 20.9 2
2004 1059 51.0 20.8 2.5
2005 1034 51.2 20.2 3.8
2006 991 51.8 19.1 2.3
2007 980 50.7 19.3 1.8
2008 966 49.4 19.6 1.4
2009 954 49.4 19.3 1.4
2010 956 46.1 20.7 2.8
2011 934 45.6 20.4 3.4
2012 1011 47.2 21.4 2.8
2013 1028 48.3 21.2 4.4
2014 1059 n/a n/a 4.4
2015 1095 50.0 21.9 4.3
2016 1105 52.0 21.2 3.7
2017 1127 52.0 21.6 2.7
2018 1146 52.5 21.7 3.3
2019 1136 53.4 21.2 4.6
2020 1139 54.8 20.7 4.7
2021 1029 54.3 18.9 3.8
2022 956 53.8 17.7 2.9
2023 930 46.6 19.9 5.4

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio

Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.

6th Grade Immunization Rates

Islander Middle School

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YearCompletely ImmunizedReligious ExemptionMedical ExemptionConditionalPersonal ExemptionPolioDiphtheriaHepatitis BVaricellaMMRPertussis
201891.4%0.0%0.5%0.0%1.9%98.7%93.3%98.7%97.6%98.1%93.3%
201988.3%0.3%0.5%1.0%2.6%98.2%89.8%99.0%97.7%98.4%89.8%

Data source: Washington State Department of Health

Immunization Rates (Entire school)

Islander Middle School

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Compare
YearCompletely ImmunizedReligious ExemptionMedical ExemptionPersonal ExemptionPolioDiphtheriaHepatitis BVaricellaMMRPertussis
201993.9%0.1%0.5%2.4%98.6%98.6%98.7%98.2%98.3%98.7%

Data source: Washington State Department of Health
Finances

Per Pupil Expenditures for Islander Middle School

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YearExpenditures from Federal FundsExpenditures from State and Local FundsTotal Expenditures Per Pupil (All Funds)
2019 $683 (5.3%) $12,132 (94.7%) $12,815
2020 $01 (0.0%) $9,934 (100.0%) $9,934
2021 $238 (1.6%) $14,498 (98.4%) $14,735
2022 $1,190 (7.6%) $14,484 (92.4%) $15,674

Data source: Washington Department of Education
Pre and Post Pandemic Data

Impact of COVID-19 on Islander Middle School

The coronavirus has had a profound impact on education in America. Learning shifted online overnight, attendance numbers dwindled, and enrollment decreased. SchoolDigger.com is making it easier for you to better assess how COVID-19 has impacted your school. Through the collection of pre-pandemic (2019) and current data, SchoolDigger.com is sharing test scores, enrollment numbers and school demographics from schools across the country – and we make it easy to see how impacted schools compare locally and statewide.

Rankings

Rank
Pre-pandemic (2018-2019)
Rank
Post pandemic (2022-2023)
Change (%)
Ranks 14th of 512 Middle schoolsRanks 17th of 539 Middle schools
 0.4%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
6th Grade English Language Arts (Islander Middle School)84.274.9
 9.3%
   6th Grade English Language Arts (Mercer Island School District)84.274.9
 9.3%
   6th Grade English Language Arts (Washington)57.847.9
 9.9%
6th Grade Math (Islander Middle School)80.774.6
 6.1%
   6th Grade Math (Mercer Island School District)80.774.6
 6.1%
   6th Grade Math (Washington)47.738.1
 9.6%
7th Grade English Language Arts (Islander Middle School)86.879.4
 7.4%
   7th Grade English Language Arts (Mercer Island School District)86.879.4
 7.4%
   7th Grade English Language Arts (Washington)6252.1
 9.9%
7th Grade Math (Islander Middle School)82.374
 8.3%
   7th Grade Math (Mercer Island School District)82.374
 8.3%
   7th Grade Math (Washington)49.938.6
 11.2%
8th Grade English Language Arts (Islander Middle School)81.781.9
 0.2%
   8th Grade English Language Arts (Mercer Island School District)81.781.9
 0.2%
   8th Grade English Language Arts (Washington)59.651.3
 8.3%
8th Grade Math (Islander Middle School)81.573.8
 7.7%
   8th Grade Math (Mercer Island School District)81.573.8
 7.7%
   8th Grade Math (Washington)47.234.4
 12.8%
8th Grade Science (Islander Middle School)77.776
 1.7%
   8th Grade Science (Mercer Island School District)77.776
 1.7%
   8th Grade Science (Washington)53.143.9
 9.3%
All Grades English Language Arts (Islander Middle School)84.278.8
 5.4%
   All Grades English Language Arts (Mercer Island School District)87.284.3
 2.9%
   All Grades English Language Arts (Washington)6152.9
 8.1%
All Grades Math (Islander Middle School)81.574.1
 7.4%
   All Grades Math (Mercer Island School District)82.978.9
 4%
   All Grades Math (Washington)50.141
 9%
All Grades Science (Islander Middle School)77.776
 1.7%
   All Grades Science (Mercer Island School District)82.582.8
 0.3%
   All Grades Science (Washington)52.748.8
 4%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students1136930
 18.1%
African American86
 25%
American Indian12
 100%
Asian246254
 3.3%
Hispanic5268
 30.8%
Pacific Islander13
 200%
White707461
 34.8%
Two or More Races121134
 10.7%
% Free/Discounted Lunch Recipients4.6%5.4%
 0.8%


Schools Near Islander Middle School









Frequently Asked Questions about Islander Middle School

Students at Islander Middle School are 50% White, 27% Asian, 14% Two or more races, 7% Hispanic.

Students who attend Islander Middle School usually go on to attend Mercer Island High School

Yes! Islander Middle School is one of the best middle schools in the state. It ranks 19th of 535 Washington middle schools.

In the 2022-23 school year, 930 students attended Islander Middle School.


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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.





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