Serving 289 students in grades 5-8, Three Rivers School ranks in the bottom 50% of all schools in New Hampshire for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 39% (which is lower than the New Hampshire state average of 42%). The percentage of students achieving proficiency in reading/language arts is 49% (which is lower than the New Hampshire state average of 51%).
The student-teacher ratio of 10:1 is lower than the New Hampshire state level of 11:1.
Minority enrollment is 12% of the student body (majority Hispanic), which is lower than the New Hampshire state average of 18% (majority Hispanic).
Quick Facts (2026)
- Grades: 5-8
- Enrollment: 289 students
- Student-Teacher Ratio: 10:1
- Minority Enrollment: 12%
- Overall Testing Rank: Bottom 50% in NH
- Math Proficiency: 39% (Btm 50%)
- Reading Proficiency: 49% (Btm 50%)
- Science Proficiency: 30-34% (Btm 50%)
- Source: National Center for Education Statistics (NCES), NH Dept. of Education
School Overview
Three Rivers School's student population of 289 students has declined by 7% over five school years.
The teacher population of 29 teachers has declined by 9% over five school years.
Grades Offered
Grades 5-8
(No virtual instruction)
(No virtual instruction)
Total Students
289 students
Total Classroom Teachers
29 teachers
School Rankings
Three Rivers School ranks within the bottom 50% of all 455 schools in New Hampshire (based off of combined math and reading proficiency testing data).
The diversity score of Three Rivers School is 0.22, which is less than the diversity score at state average of 0.33. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#259 out of 455 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
39%
42%
Reading/Language Arts Test Scores (% Proficient)
49%
51%
Science Test Scores (% Proficient)
30-34%
36%
Student-Teacher Ratio
10:1
11:1
American Indian
1%
n/a
Asian
1%
3%
Hispanic
4%
8%
Black
n/a
2%
White
88%
82%
Hawaiian
n/a
n/a
Two or more races
6%
5%
All Ethnic Groups
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
16%
20%
Eligible for Reduced Lunch
3%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NH Dept. of Education
Frequently Asked Questions
What is Three Rivers School's ranking?
Three Rivers School is ranked #259 out of 455 schools, which ranks it among the bottom 50% of public schools in New Hampshire.
What schools are Three Rivers School often compared to?
Three Rivers Schoolis often viewed alongside schools like Strong Foundations Charter School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
39% of students have achieved math proficiency (compared to the 42% NH state average), while 49% of students have achieved reading proficiency (compared to the 51% NH state average).
How many students attend Three Rivers School?
289 students attend Three Rivers School.
What is the racial composition of the student body?
88% of Three Rivers School students are White, 6% of students are Two or more races, 4% of students are Hispanic, 1% of students are American Indian, and 1% of students are Asian.
What is the student-teacher ratio of Three Rivers School?
Three Rivers School has a student ration of 10:1, which is lower than the New Hampshire state average of 11:1.
What grades does Three Rivers School offer ?
Three Rivers School offers enrollment in grades 5-8 (No virtual instruction).
What school district is Three Rivers School part of?
Three Rivers School is part of Pembroke School District.
School Reviews
5 10/10/2025
Three Rivers is by far the Best School in the area! The teachers care about their students! They help their students reach their full potential with out giving up on them. They treat every student the same and enjoy their jobs everyday! I wouldnt want my kids going to any other school!
5 10/10/2025
We are Grandparents, who care for our Granddaughter after school until her parents get home from work. I am looking for a school calendar. Please forward a 2015-16 calendar to my email. Thanks
Review Three Rivers School. Reviews should be a few sentences in length. Please include any comments on:
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