Average
#245 of 542 schools in ME
Top 45% in state
Islesboro Central School
School · Islesboro Public Schools
PO Box 118, Islesboro, ME 04848
Enrollment
76
Student-Teacher
5.4:1
Score
6.4
Grades
Kindergarten – 12th
Enrollment
76
Student-Teacher
5.4:1
Score
6.4
Grades
Kindergarten – 12th
Updated
2022-23
Updated 2022-23
How this school compares
Maine schools
#7 of 11
School environment
9.9 / 10
Exceptional
About Islesboro Central School
Islesboro Central School serves 76 students in grades K-12 on Maine's Islesboro, offering an intimate educational experience with an exceptional 5.4:1 student-teacher ratio. This small public school punches above its weight academically, earning a 7.5/10 rating from MySchoolScout and ranking #69 out of 542 schools statewide, placing it in the 88th percentile. The school's academic performance is particularly impressive, with 95% of students achieving proficiency or above in English Language Arts and Reading, while 84% reach proficiency in mathematics.
These strong results reflect the benefits of individualized attention possible with just 14 full-time equivalent teachers serving the entire student body. Islesboro Central School draws from a close-knit island community where 45% of residents hold bachelor's degrees or higher, and the median household income reaches $73,611. The area maintains a mix of year-round residents and seasonal visitors, with median home values of $274,500 reflecting the island's desirable location.
As Maine's only K-12 school serving an island community, Islesboro Central School provides a unique educational environment where students of all ages learn together in a supportive, rural island setting that fosters both academic excellence and strong community connections.
What Parents Should Know
With an enrollment of 76 students, Islesboro Central School is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.
With a student-teacher ratio of 5.4:1, Islesboro Central School offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.
Located in a rural area, Islesboro Central School may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Islesboro Central School — Students at Islesboro Central School score 90% proficient, which is below what's typical for similar communities (expected: 91%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
9.2%
Students qualifying for federal meal assistance
Test Scores ME EDFACTS (2021-22)
Based on 6 test records from ME state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 7.7/10.
How Islesboro Central School Compares
See how Islesboro Central School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 44.5% (2019) to 84.5% (2022). Reading/ELA proficiency has improved from 54.5% (2019) to 95% (2022).
Location
PO Box 118, Islesboro, ME 04848
Nearby Alternatives
Families considering Islesboro Central School may also want to explore other schools in the area. North Haven Community School (rated 8.5/10, 8.3 miles away, in nearby North Haven), which scores notably higher. Additionally, WAYFINDER SCHOOLS (rated 5.8/10, 8.5 miles away, in nearby Camden), with a comparable rating. For more schools in Islesboro, see our Islesboro schools guide .
Nearby Schools
20 within 12.8 mi| School | Distance | Rating |
|---|---|---|
| North Haven Community School North Haven | 8.3 mi | 8.5 |
| Edna Drinkwater School Northport | 8.5 mi | 4.7 |
| CHILDREN'S HOUSE MONTESSORI SCHOOL Camden | 8.5 mi | — |
| CORNERSPRING MONTESSORI SCHOOL Belfast | 10.5 mi | 5.9 |
| WAYFINDER SCHOOLS Camden | 8.5 mi | 5.8 |
| Camden-Rockport Middle School Camden | 8.5 mi | 7.6 |
| Adams School Castine | 10.3 mi | 5.1 |
| Captain Albert W. Stevens School Belfast | 11.4 mi | 7.5 |
| Troy A Howard Middle School Belfast | 11.4 mi | 6.5 |
| Belfast Area High School Belfast | 12.1 mi | 6.8 |
| East Belfast School Belfast | 12.4 mi | 7.5 |
| Camden-Rockport Elementary School Rockport | 10.3 mi | 7.0 |
| Lincolnville Central School Lincolnville | 9.7 mi | 7.7 |
| Searsport District High School Searsport | 13.4 mi | 6.8 |
| Searsport District Middle School Searsport | 13.5 mi | 7.7 |
| Searsport Elementary Searsport | 13.6 mi | 6.8 |
| Camden Hills Regional H S Rockport | 10.5 mi | 6.3 |
| ASHWOOD WALDORF SCHOOL Rockport | 10.6 mi | 7.1 |
| Brooksville Elementary School Brooksville | 11.7 mi | 6.4 |
| RILEY SCHOOL Rockport | 12.8 mi | 6.6 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 04848 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$75,625
Median Home Value
$291,300
Median Rent
$938/mo
Population
686
College Educated
45.7%
Homeownership
89.8%
Poverty Rate
14.4%
Median Age
57.2
Community Profile
The community surrounding Islesboro Central School has a median household income of $75,625. It is a well-educated community where 46% of adults hold a bachelor's degree or higher. The median home value in the area is $291,300, with a median rent of $938/month. The area has a poverty rate of 14.4%. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| ROYAL ACADEMY EDUCATION INC. Gray, ME | 6.5 |
| CENTRAL MAINE CHRISTIAN ACADEMY Lewiston, ME | 6.3 |
| WAYFINDER SCHOOLS Camden, ME | 5.8 |
| CHOP POINT SCHOOL Woolwich, ME | 5.6 |
| CHEWONKI ELEM/MIDDLE SCHOOL & MAINE COAST SEMESTER Wiscasset, ME | 7.3 |
| PEN BAY CHRISTIAN SCHOOL Rockland, ME | 5.3 |
Frequently Asked Questions
Common questions about Islesboro Central School
What grades does Islesboro Central School serve?
Islesboro Central School serves students in grades Kindergarten through 12th.
How many students attend Islesboro Central School?
Islesboro Central School has an enrollment of approximately 76 students.
What is the student-teacher ratio at Islesboro Central School?
The student-teacher ratio at Islesboro Central School is 5.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Islesboro Central School rank in ME?
Islesboro Central School is ranked #245 out of 542 schools in ME.
What is Islesboro Central School's MySchoolScout rating?
Islesboro Central School has a composite rating of 6.4 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Islesboro Central School?
Based on the most recent state assessment data, Islesboro Central School has 74.7% math proficiency and 81.5% reading/ELA proficiency.
Is Islesboro Central School a charter school?
No, Islesboro Central School is not a charter school. It is a traditional public school operated by the local school district.
Is Islesboro Central School a Title I school?
No, Islesboro Central School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Islesboro Central School?
9.2% of students at Islesboro Central School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
- City Safety
- Average (503/100K)
FBI UCR 2024. City-level (Islesboro). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 12th
- Enrollment
- 76
- Student-Teacher Ratio
- 5.4:1
- Teachers (FTE)
- 14
- Free/Reduced Lunch
- 9.2%
- Type
- regular
- Setting
- Distant Rural
- County
- Waldo County
- Phone
- (207) 734-2251
- Data Year
- 2023–2024
Resources & Links
District
Islesboro Public Schools- District Enrollment
- 77
- Schools in District
- 1
- Per-Pupil Spending
- $32,695
- District Rank
- #1 of 1
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.