Grade Trends

Schools near ZIP 03809

3 public schools within 6 miles, nearest first.

All schools in Alton

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

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Alton Central School (Elem)
Grades PK–8 · Alton School District
1.4 mi
32%
−14 vs state
51%
−2 vs state
40%
+3 vs state
11% Average of math, English and science: 30% in 2022-23 → 41% in 2025-26 15% 21% 407 White 96%
Prospect Mountain High School
Grades 9–13 · Prospect Mountain JMA School District
2.0 mi
13%
−17 vs state
56%
−6 vs state
30%
−10 vs state
10% Average of math, English and science: 43% in 2022-23 → 33% in 2025-26 21% 19% 402 White 93%
New Durham Elementary School
Grades PK–6 · Governor Wentworth Regional School District
2.9 mi
60%
+14 vs state
57%
+3 vs state
43%
+5 vs state
10% Average of math, English and science: 63% in 2022-23 → 53% in 2025-26 24% 17% 144 White 92%

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. Special ed = students with an IEP (special education).