Schools in Thousand Islands Central School District, New York (2025)
4 schools · 799 students · 4 public · median Enrollment 243.
Thousand Islands Central School District, in New York, has 4 schools in United States's 2025 data, together educating about 799 students. By level there are 2 elementary, 1 high, 1 middle; by sector 4 public.
The median Enrollment across Thousand Islands Central School District's schools is 243, below the New York median of 428. Students enrolled in the latest NCES directory year.
4 of the 4 schools qualify for the Success Index (US). The highest-scoring is Thousand Islands High School (84.5, top 5% of high schools nationally), followed by Thousand Islands Middle School (69.6, top 25% of middle schools nationally), and Bashaw Elementary School (64.6, top 50% of elementary schools nationally). One school sits in the top 10% of United States for its type. Scores are percentiles within school type, so compare an elementary school with other elementary schools.
The largest schools are Thousand Islands High School (262 students), Guardino Elementary School (243 students), Thousand Islands Middle School (185 students).
Ranked schools in Thousand Islands Central School District
Ordered by Success Index (US). Rank positions shown on each profile are within United States and New York.
- 185Thousand Islands High SchoolClayton · Public High92% Math proficiency · 262 students
- 270Thousand Islands Middle SchoolClayton · Public Middle57% Math proficiency · 185 students
- 365Bashaw Elementary SchoolCape Vincent · Public Elementary54.5% Math proficiency · 109 students
- 463Guardino Elementary SchoolClayton · Public Elementary52% Math proficiency · 243 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Thousand Islands High School Clayton · High · Grades 9–12 | Public | 84.5 Top 5% | 92% Math proficiency | 262 |
| 2 | Thousand Islands Middle School Clayton · Middle · Grades 6–8 | Public | 69.6 Top 25% | 57% Math proficiency | 185 |
| 3 | Bashaw Elementary School Cape Vincent · Elementary · Grades PK–5 | Public | 64.6 Top 50% | 54.5% Math proficiency | 109 |
| 4 | Guardino Elementary School Clayton · Elementary · Grades PK–5 | Public | 62.6 Top 50% | 52% Math proficiency | 243 |
Compare the top 4 schools in Thousand Islands Central School District side by side →
Citys in Thousand Islands Central School District
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Frequently asked questions
What is the best school in Thousand Islands Central School District?
Thousand Islands High School is the highest-ranked school in Thousand Islands Central School District with a Success Index (US) of 84.5 out of 100 (Top 5% of high schools in United States).
How many schools are in Thousand Islands Central School District?
Thousand Islands Central School District has 4 schools (1 high, 1 middle, 2 elementary) educating 799 students in 2025.
What is the typical Enrollment in Thousand Islands Central School District?
The median Enrollment across schools in Thousand Islands Central School District is 243. Students enrolled in the latest NCES directory year.