Very Good
#1505 of 4,742 schools in NY
Top 32% in state
Thousand Islands Middle School
Middle School · THOUSAND ISLANDS CENTRAL SCHOOL DISTRICT
PO BOX 1000, Clayton, NY 13624
Enrollment
192
Student-Teacher
12:1
Score
7.2
Grades
6th – 8th
Enrollment
192
Student-Teacher
12:1
Score
7.2
Grades
6th – 8th
Data vintage
2022-23
Data vintage2022-23
How this school compares
New York schools
#1,505 of 4,742
In Clayton
#2 of 4
public schools
In district
#2 of 4
THOUSAND ISLANDS CENTRAL SCHOOL DISTRICT
Academic growth
7.4 / 10
Very Good
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Thousand Islands Middle School
Middle School in Clayton · grades 6th – 8th. Start here, then compare fit against nearby and district options.
Thousand Islands High School
0.0 mi away. Use as a geographic alternative in the same move search.
Guardino Elementary School
6.6 mi away. Use as a geographic alternative in the same move search.
About Thousand Islands Middle School
Thousand Islands Middle School is a public middle school in Clayton, NY, part of THOUSAND ISLANDS CENTRAL SCHOOL DISTRICT. Thousand Islands Middle School serves approximately 192 students, and covers grades 6th-8th, and has a 12:1 student-teacher ratio. Thousand Islands Middle School has a current MySchoolScout rating of 7.2 out of 10 and ranks #1,505 of 4,742 schools in NY.
Structured state assessment records for Thousand Islands Middle School show 49% math proficiency (multi-year average, 2009-2022) and 49% reading/ELA proficiency (multi-year average, 2009-2022).
- This school 7.2 · Very Good
- NY avg 6.1
What Parents Should Know
At 192 students, Thousand Islands Middle School is on the smaller side. That usually buys more individual attention and teachers who know every kid by name, with the trade-off of fewer electives and extracurriculars than a larger school can staff. Ask what activities it actually offers.
Thousand Islands Middle School sits in a rural area, which can mean longer drives for some families. Rural schools are often community anchors with smaller classes, but check transportation, after-school options, and access to specialized services before you commit.
31% of students at Thousand Islands Middle School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Thousand Islands Middle School — Students at Thousand Islands Middle School score 53% proficient, which is below what's typical for similar communities (expected: 54%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
43.2%
Students qualifying for federal meal assistance
Test Scores NY EDFACTS (2021-22)
Based on 34 test records from NY state assessments. About our data
Proficiency Trend
↓ DecliningAverage 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: 7.4/10.
How Thousand Islands Middle School Compares
See how Thousand Islands Middle School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Location
PO BOX 1000, Clayton, NY 13624
Nearby Alternatives
Families considering Thousand Islands Middle School may also want to explore other middle schools in the area. LA FARGEVILLE CENTRAL SCHOOL (rated 8.0/10, 11.6 miles away, in nearby La Fargeville), which scores slightly higher. Another option is LYME CENTRAL SCHOOL (rated 7.6/10, 9.4 miles away, in nearby Chaumont), which scores slightly higher. Additionally, THOUSAND ISLANDS HIGH SCHOOL (rated 7.3/10), with a very similar rating. For more schools in Clayton, see our Clayton schools guide .
Nearby Schools
20 within 21.6 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 13624 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$79,167
Median Home Value
$224,000
Median Rent
$982/mo
Population
4,438
College Educated
31.4%
Homeownership
65.8%
Avg Commute
27.6 min
Poverty Rate
11.5%
Median Age
46
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| BROOKLYN ENVIRONMENTAL EXPLORATION SCHOOL (BEES) Brooklyn, NY | 7.2 |
| LAUNCH EXPEDITIONARY LEARNING CHARTER SCHOOL Brooklyn, NY | 7.2 |
| MS 935 Brooklyn, NY | 7.2 |
| SHEFA SCHOOL New York, NY | 7.2 |
| BULKELEY MIDDLE SCHOOL Rhinebeck, NY | 7.3 |
| MILLBROOK MIDDLE SCHOOL Millbrook, NY | 7.3 |
Frequently Asked Questions
Common questions about Thousand Islands Middle School
What grades does Thousand Islands Middle School serve?
Thousand Islands Middle School serves students in grades 6th through 8th.
How many students attend Thousand Islands Middle School?
Thousand Islands Middle School has an enrollment of approximately 192 students.
What is the student-teacher ratio at Thousand Islands Middle School?
The student-teacher ratio at Thousand Islands Middle School is 12:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Thousand Islands Middle School rank in NY?
Thousand Islands Middle School ranks #1,505 of 4,742 schools in NY.
What is Thousand Islands Middle School's MySchoolScout rating?
Thousand Islands Middle School has a current MySchoolScout rating of 7.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Thousand Islands Middle School?
Based on loaded state assessment records, Thousand Islands Middle School has 49% math proficiency (multi-year average, 2009-2022) and 49% reading/ELA proficiency (multi-year average, 2009-2022).
Is Thousand Islands Middle School a charter school?
No, Thousand Islands Middle School is not a charter school. It is a traditional public school operated by the local school district.
Is Thousand Islands Middle School a Title I school?
No, Thousand Islands Middle School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Thousand Islands Middle School?
43.2% of students at Thousand Islands Middle 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.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 6th – 8th
- Enrollment
- 192
- Student-Teacher Ratio
- 12:1
- Teachers (FTE)
- 16
- Free/Reduced Lunch
- 43.2%
- Type
- regular
- Setting
- Distant Rural
- County
- Jefferson County
- Chronic Absenteeism (SY 2022-23)
- 30.7%
- Phone
- (315) 686-5594
Resources & Links
District
THOUSAND ISLANDS CENTRAL SCHOOL DISTRICT- District Enrollment
- 841
- Schools in District
- 4
- Per-Pupil Spending
- $23,443
- District Rank
- #2 of 4
Other Schools in This District
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
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