For the 2025-26 school year, there is 1 public school serving 26 students in New Castle, NH.
The top ranked public school in New Castle, NH is Maude H. Trefethen School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
New Castle, NH public school have an average math proficiency score of 50% (versus the New Hampshire public school average of 42%), and reading proficiency score of 80% (versus the 51% statewide average). Schools in New Castle have an average ranking of 9/10, which is in the top 20% of New Hampshire public schools.
Minority enrollment is 4% of the student body (majority Black and Hispanic), which is less than the New Hampshire public school average of 18% (majority Hispanic).
Best Public Schools in New Castle, NH (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Maude H. Trefethen School
(Math: ≥50% | Reading: ≥80%)
Rank:
Rank:
9/
Top 20%10
142 Cranfield St
New Castle, NH 03854
(603) 436-5416
New Castle, NH 03854
(603) 436-5416
Gr: K-6 | 26 students Student-teacher ratio: 7:1 Minority enrollment: 4%
Frequently Asked Questions
What are the top ranked public schools in New Castle, NH?
The top ranked public schools in New Castle, NH include Maude H. Trefethen School.
How many public schools are located in New Castle?
1 public schools are located in New Castle.
What is the racial composition of students in New Castle?
New Castle public schools minority enrollment is 4% of the student body (majority Black and Hispanic), which is less than the New Hampshire public schools average of 18% (majority Hispanic).
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