For the 2026-27 school year, there is 1 public school serving 33 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 9% of the student body (majority Asian), which is less than the New Hampshire public school average of 18% (majority Hispanic).
Best Public Schools in New Castle, NH (2026-27)
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 | 33 students Student-teacher ratio: 8:1 Minority enrollment: 9%
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 9% of the student body (majority Asian), which is less than the New Hampshire public schools average of 18% (majority Hispanic).
Recent Articles
How Much Choice Do High School Students Have?
Learn how graduation requirements, prerequisites, electives, staffing, scheduling conflicts, AP courses, dual enrollment, and career pathways determine how much control high school students have over schedules each year.
Does Your Child Need More Recess?
Explore whether your child may benefit more from recess than another academic period, including research on attention, learning, physical activity, stress, social development, and school-day balance today.
Combined Grade Classrooms, What Parents Should Know
Learn how combined-grade classrooms work, why public schools use them, potential benefits and challenges, and the questions parents should ask before enrolling their child in one today.