Grade Trends

Thousand Islands Central School District

4 public schools · Clayton, NY

Subject percentages show the share of students who met or exceeded the state standard.

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Bashaw Elementary School
Grades PK–5 · Thousand Islands Central School District
79%
+21 vs state
68%
+13 vs state
69%
+24 vs state
22% Average of math, English and science: 52% in 2022-23 → 74% in 2024-25 37% 109 White 94%
Guardino Elementary School
Grades PK–5 · Thousand Islands Central School District
53%
−4 vs state
46%
−9 vs state
27%
−18 vs state
3% Average of math, English and science: 46% in 2022-23 → 49% in 2024-25 24% 243 White 96%
Thousand Islands High School
Grades 9–12 · Thousand Islands Central School District
85%
+29 vs state
79%
+4 vs state
91%
+34 vs state
7% Average of math, English and science: 92% in 2021-22 → 85% in 2024-25 38% 262 White 90%
Thousand Islands Middle School
Grades 6–8 · Thousand Islands Central School District
64%
+12 vs state
65%
+14 vs state
75%
+31 vs state
4% Average of math, English and science: 69% in 2022-23 → 65% in 2024-25 31% 185 White 94%

Overall change: average of the three subjects, latest year vs. 3 years earlier (↑4% means the average rate went up 4 points, e.g. 82% → 86%; — means within ±2%). Low income = eligible for free or reduced-price lunch.