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Islesboro Central School

Summary:

Islesboro Central School is a small, alternative public school serving grades K-12 with a total enrollment of 82 students on the island of Islesboro, Maine. This unique island setting provides a personalized learning environment for its students, who consistently outperform the state average in academic measures.

Islesboro Central School stands out for its exceptional graduation rates, with a 100% four-year graduation rate for the past two school years, far exceeding the state average. Additionally, the school's students excel in English Language Arts (81.48% proficient or better) and Mathematics (70.97% proficient or better) on the Maine Educational Assessment (MEA) tests, surpassing the state's overall performance. The school's low student-teacher ratio, ranging from 6.4 to 6.5 students per teacher, likely contributes to its academic success. However, the school has experienced a concerning increase in chronic absenteeism, rising from 11.2% in 2020-2021 to 48.7% in 2022-2023, which the school and district should investigate and address.

When compared to the nearby Vinalhaven School and North Haven Community School, Islesboro Central School outperforms both in academic measures, such as proficiency rates in English Language Arts and Mathematics. However, Islesboro Central School also has a higher chronic absenteeism rate than these nearby schools. The school's unique island setting likely presents both challenges and opportunities, contributing to its strong sense of community and personalized learning environment, while potentially limiting access to certain resources or extracurricular activities available in larger mainland school districts.


Detail:

Public, Alternative K-12

 159 Alumni Drive
       Islesboro, ME  04848

(207) 734-2251

District: Islesboro Public Schools

SchoolDigger Rank:
7th of 123 Maine Alternative Schools

Per Pupil Expenditures:  $33,473 Help


Student/teacher ratio:  5.3 Help
Number of students:  76

Racial breakdown:

White:
96.1%
African American:
1.3%
Asian:
1.3%
more

Free/discounted lunch recipients:  9.2% Help


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Performance Trends
Help
Compare Details Islesboro Central School is not ranked due for the most recent year due to insufficient test score data. (See more...)
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Compare Details In 2009 the calculated Average Standard Score was 46.16. (See more...)
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Compare Details Islesboro Central School ranks better than 94.3% of high schools in Maine. (See more...)
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Compare Details In 2023 the calculated Average Standard Score was 82.86. (See more...)
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The four-year cohort graduation rate measures the percentage of students at Islesboro Central School who earn a standard high school diploma within four years of starting ninth grade.
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Chronic absenteeism in a school refers to a situation where students repeatedly miss school, with the threshold often defined as missing 10% or more of school days for any reason, excused or unexcused.
Student Body
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Compare Details Racial makeup is: White (96.1%), Asian (1.3%), African American (1.3%). (See more...)
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Compare Details 9.2% of students are receiving a free or discounted lunch. (See more...)
Teachers
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Compare Details The student/teacher ratio at Islesboro Central School is 5.3. (See more...)
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Compare Islesboro Central School employs 14.3 full-time teachers.
Finance
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Compare Details The average total spent per student at Islesboro Central School is $33,473.
Schooldigger Rankings:

Islesboro Central School was not ranked this year due to insufficient test score data.
SchoolDigger ranks Islesboro Central School 7th of 123 Maine public high schools. (See Islesboro Central School in the ranking list.)



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Rank History for Islesboro Central School

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Compare
Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools ME State Percentile SchoolDigger Rating
2006 79.90 22nd 192 88.5%
2007 62.86 55th 198 72.2%
2008 30.42 159th 195 18.5%
2009 46.16 127th 209 39.2%
See the entire list of Maine Alternative School Rankings!

Data source: test scores: Maine Department of Education, rankings: SchoolDigger.com

Rank History for Islesboro Central School

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Compare
Year Avg Standard Score Statewide Rank Total # Ranked High Schools ME State Percentile SchoolDigger Rating
2021 77.24 31st 82 62.2%
2023 82.86 7th 123 94.3%
See the entire list of Maine Alternative School Rankings!

Data source: test scores: Maine Department of Education, rankings: SchoolDigger.com

Islesboro Central School Test Scores
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Data source: Maine Department of Education

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Enrollment information for Islesboro Central School

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Compare
Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
1991 0 0 0 0 0 n/a n/a 98 98
1992 n/a n/a n/a n/a n/a n/a n/a 103 103
1993 n/a n/a n/a n/a n/a n/a n/a 109 109
1994 107 2 0 1 0 n/a n/a 0 110
1995 109 2 0 1 1 n/a n/a 0 113
1996 109 2 0 1 1 n/a n/a 0 113
1997 114 2 0 0 0 n/a n/a 0 116
1998 103 0 2 1 0 n/a n/a 0 106
1999 103 0 0 0 0 n/a n/a 0 103
2000 99 0 1 1 0 n/a n/a 0 101
2001 101 0 2 2 0 n/a n/a -3 102
2002 92 0 3 2 0 n/a n/a 0 97
2003 92 0 3 2 0 n/a n/a 0 97
2004 82 0 0 1 0 n/a n/a 0 83
2005 85 0 0 0 0 n/a n/a 0 85
2006 91 0 1 1 0 n/a n/a 0 93
2007 84 1 1 0 0 n/a n/a 0 86
2008 72 0 1 0 0 n/a n/a 0 73
2009 82 0 3 1 0 n/a n/a 0 86
2010 83 2 1 0 0 n/a n/a 0 86
2011 85 3 2 0 0 0 0 0 90
2012 83 4 4 0 0 0 0 0 91
2013 71 4 3 0 0 2 0 0 80
2014 62 4 2 0 0 2 0 0 70
2015 86 4 3 0 0 2 0 0 95
2016 82 3 6 0 0 2 1 0 94
2017 75 4 5 1 0 2 0 0 87
2018 74 3 6 1 0 2 5 0 91
2019 78 2 5 1 0 2 2 0 90
2020 78 0 4 0 0 1 2 0 85
2021 88 0 3 0 0 1 2 0 94
2022 79 0 4 1 0 0 2 0 86
2023 77 1 2 1 0 0 1 0 82
2024 73 1 1 0 0 0 1 0 76

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 Islesboro Central School

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1991 98 10.7 9.1 n/a
1992 103 11.6 8.8 n/a
1993 109 13.1 8.3 14.7
1994 110 12.6 8.7 17.3
1995 113 12.9 8.8 17.7
1996 113 12.9 8.8 17.7
1997 116 12.9 9.0 16.4
1998 106 13.0 8.2 20.8
1999 103 13.0 7.9 17.5
2000 101 13.5 7.5 22.8
2001 102 13.4 7.8 16.2
2002 97 14.0 6.9 9.3
2003 97 14.0 6.9 9.3
2004 83 14.2 5.8 8.4
2005 85 13.7 6.2 22.4
2006 93 13.5 6.9 16.1
2007 86 14.7 5.9 25.6
2008 73 17.2 4.2 17.8
2009 86 12.7 6.4 11.6
2010 86 12.5 6.8 10.5
2011 90 13.0 6.9 28.9
2012 91 12.8 7.0 4.4
2013 80 13.2 6.0 32.5
2014 70 13.9 5.0 40
2015 95 13.0 7.3 32.6
2016 94 15.0 6.2 8.5
2017 87 14.7 5.9 20.7
2018 91 14.7 6.1 22
2019 90 14.8 6.0 18.9
2020 85 15.0 5.6 5.9
2021 94 14.5 6.4 23.4
2022 86 13.2 6.5 11.6
2023 82 12.8 6.4 18.3
2024 76 14.3 5.3 9.2

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 Islesboro Central School

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1991 98 10.7 9.1 n/a
1992 103 11.6 8.8 n/a
1993 109 13.1 8.3 14.7
1994 110 12.6 8.7 17.3
1995 113 12.9 8.8 17.7
1996 113 12.9 8.8 17.7
1997 116 12.9 9.0 16.4
1998 106 13.0 8.2 20.8
1999 103 13.0 7.9 17.5
2000 101 13.5 7.5 22.8
2001 102 13.4 7.8 16.2
2002 97 14.0 6.9 9.3
2003 97 14.0 6.9 9.3
2004 83 14.2 5.8 8.4
2005 85 13.7 6.2 22.4
2006 93 13.5 6.9 16.1
2007 86 14.7 5.9 25.6
2008 73 17.2 4.2 17.8
2009 86 12.7 6.4 11.6
2010 86 12.5 6.8 10.5
2011 90 13.0 6.9 28.9
2012 91 12.8 7.0 4.4
2013 80 13.2 6.0 32.5
2014 70 13.9 5.0 40
2015 95 13.0 7.3 32.6
2016 94 15.0 6.2 8.5
2017 87 14.7 5.9 20.7
2018 91 14.7 6.1 22
2019 90 14.8 6.0 18.9
2020 85 15.0 5.6 5.9
2021 94 14.5 6.4 23.4
2022 86 13.2 6.5 11.6
2023 82 12.8 6.4 18.3
2024 76 14.3 5.3 9.2

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.
Finances

Per Pupil Expenditures for Islesboro Central School

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YearTotal Expenditures Per Pupil
2018 $24,959
2019 $26,576
2020 $42,774
2021 $28,693
2022 $28,681
2023 $33,473

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

Impact of COVID-19 on Islesboro Central 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.

Student Body

Number of students
Pre-pandemic (2018-2019)		 Number of students
Post pandemic (2022-2023)		 Change (%)
Total Students9082
 8.9%
African American21
 50%
American Indian00
Asian52
 60%
Hispanic11
Pacific Islander20
 100%
White7877
 1.3%
Two or More Races21
 50%
% Free/Discounted Lunch Recipients18.9%18.3%
 0.6%

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Frequently Asked Questions about Islesboro Central School

In the 2023-24 school year, 76 students attended Islesboro Central School.

Students at Islesboro Central School are 96% White, 1% African American, 1% Asian, 1% Two or more races.

Yes. Islesboro Central School ranks in the top 5.7% of Maine alternative schools.


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Maine Department of Education.

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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