Thousand Islands Central School District

Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. District totals are aggregated directly from the schools reporting under this district in the source records. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.

Clayton, New York - 4 schools

An equity score of 33/100 ranks Thousand Islands Central School District #681 of 941 districts in New York (state average 45). Derived live from how evenly resources are distributed across the district's schools.

At $21,279 per pupil, Thousand Islands Central School District ranks #780 of 999 New York districts by per-pupil spending (New York districts). NCES F-33 finance data.

891
Total Enrollment
4
Schools
$21,279
Per-Pupil Spending
Combined, High
School Types

District-Level NCES Analysis

Thousand Islands Central School District operates 4 public schools serving 891 students, placing it among the smallest districts in New York. The school portfolio breaks down into 2 combined, 1 high, 1 middle schools, a small enough portfolio that most families will interact with nearly every campus in the district at some point. These enrollment and school figures come from the NCES Common Core of Data (CCD) 2024-25 release, and the district is based in Jefferson County.

Per-pupil expenditure runs $21,279 according to the NCES F-33 School District Finance Survey, in the lower half of 999 New York districts by per-pupil spending. See how New York compares in our national per-pupil spending analysis. The funding mix is 44.6% local, 43.6% state, and 11.8% federal, a balanced mix across local, state, and federal sources, spreading budget risk across funding cycles rather than concentrating it in one. The district's equity score is 33/100, ranked #681 of 941 in New York against a state average of 45, notably less even than the typical district in the state for how evenly funding reaches its schools.

Academic infrastructure includes 1 of 4 schools offering Advanced Placement (2 AP courses district-wide), a 253.5:1 student-counselor ratio, somewhat above the 250:1 ASCA recommendation, and 40.6% chronic absenteeism from the 2021-22 Civil Rights Data Collection. Demographically, the student body averages 93.3% White, 3.0% Hispanic or Latino, 0.4% African American across the district's schools. Its most demographically mixed campus is Thousand Islands High School, with a diversity index of 18.4/100.

Its largest campus is Thousand Islands High School, enrolling 262 students (33% of the district's total enrollment).

Thousand Islands High School accounts for 29.4% of all Thousand Islands Central School District student enrollment

That dominant concentration means Thousand Islands Central School District-wide averages can mask substantial variation outside the dominant entity. Grade band: high. A single dominant campus often anchors a district's program offerings and staffing patterns; the share helps explain why district-wide averages may not reflect the typical neighbourhood-school experience. When one entity dominates a region's footprint, its programmatic and budget decisions effectively set policy for a majority of the affected population.

Source: NCES Common Core of Data NCES Common Core of Data

Thousand Islands Central School District school enrollment varies 2.4× across entities

Thousand Islands Central School District school enrollment ranges from 109 students (lowest) to 262 students (highest), a spread of 153 students. That relatively narrow ratio reflects an unusually homogeneous campus portfolio, most districts have a wider mix of school sizes. Per-school staffing ratios, programme availability, and capital-renovation cycles often diverge inside the same district based on enrollment shape.

Source: NCES Common Core of Data NCES Common Core of Data

Thousand Islands Central School District student-counselor ratio is 254:1 — near the typical range (US average ~408) — within the typical range for U.S. public districts

student-counselor ratio is the simplest comparative metric but it does not capture the full picture: the ratio counts FTE counselors against total enrollment, districts that contract intervention or social-emotional staff outside the counselor classification may be under-counted Variation between sub-units within Thousand Islands Central School District is typically wider than the Thousand Islands Central School District-aggregate figure suggests.

Source: NCES Civil Rights Data Collection NCES Civil Rights Data Collection

Thousand Islands Central School District chronic absenteeism rate is 40.6% — high (typically associated with higher-than-average disruption; recent CRDC data showed elevated rates persisting after pandemic-era schooling changes)

chronic absenteeism rate is the simplest comparative metric but it does not capture the full picture: a student is chronically absent if they miss ≥10% of enrolled days for any reason, illness, family obligations, or disengagement Higher values may reflect larger urban scale or recent resource constraints that have widened the gap.

Source: NCES Civil Rights Data Collection 2021-22 NCES Civil Rights Data Collection 2021-22

Where does the funding come from?

11.8%
Federal
43.6%
State
44.6%
Local

Funding Equity

33
Equity Score
681 / 941
State Rank
45
State Average

This district scores below average on funding equity. High reliance on local revenue or lower spending may contribute.

Student Demographics

Average demographic composition across 4 schools in Thousand Islands Central School District.

White 93.3%
Hispanic or Latino 3.0%
Multiracial 2.8%

Source: NCES CCD School Membership 2024-25.

Student-body diversity

Average diversity index 12.7/100

Average Simpson diversity index across Thousand Islands Central School District's schools, below the New York average of 45.5.

Most mixed schools

  1. 1 Thousand Islands High School 18.4
  2. 2 Thousand Islands Middle School 12.3
  3. 3 Bashaw Elementary School 12.2
  4. 4 Guardino Elementary School 8.0

Programs & Resources

1 / 4
Schools with AP
2 AP courses total
253.5:1
Student-Counselor Ratio
40.6%
Chronically Absent

Source: NCES Civil Rights Data Collection (CRDC) 2021-22.

Schools in Thousand Islands Central School District

School Enrollment
Thousand Islands High School
262
Guardino Elementary School
243
Thousand Islands Middle School
185
Bashaw Elementary School
109

How Thousand Islands Central School District Compares to Similar-Size Districts

The New York districts closest to this one in total enrollment.

District Enrollment Spending Funding Mix
Success Academy Charter School - Springfield Gardens Similar size Lower spending No revenue-mix data
Cato-Meridian Central School District Similar size Similar spending Less locally funded
South Buffalo Charter School Similar size Lower spending No revenue-mix data
Beaver River Central School District Similar size Similar spending Less locally funded
Chatham Central School District Similar size Higher spending More locally funded

Comparisons are relative to Thousand Islands Central School District's own figures; each column derives from NCES Common Core of Data and the F-33 Finance Survey.

Nearby Districts in New York

Top districts in the same state, compare side-by-side for enrollment, spending, and demographics.

Compare Thousand Islands Central School District

See how this district compares to others in enrollment, spending, demographics, and academic resources.

Compare vs New York City Geographic District #31 →

Frequently Asked Questions

How many schools are in Thousand Islands Central School District?

Thousand Islands Central School District has 4 schools, including 1 high, 2 combined, 1 middle. Total enrollment is 891 students.

How much does Thousand Islands Central School District spend per student?

Thousand Islands Central School District spends $21,279 per student. The district has an equity score of 33/100, ranking #681 in New York.

What is the demographic composition of Thousand Islands Central School District?

Thousand Islands Central School District students are 93.3% White, 3.0% Hispanic or Latino, 0.4% African American, 0.4% Asian, averaged across 4 schools. Source: NCES CCD Membership 2024-25.

What is the equity score for Thousand Islands Central School District?

Thousand Islands Central School District has an equity score of 33/100, ranking #681 out of 941 districts in New York.