2nd Nature Academy (SNA) Photo - 2nd Nature Academy includes early childhood through high school.

Best Nashua Private High Schools (2026)

For the 2026 school year, there are 5 private high schools serving 1,040 students in Nashua, NH.
The top-ranked private high schools in Nashua, NH include 2nd Nature Academy (SNA) and Bishop Guertin High School.
The average acceptance rate is 87%, which is higher than the New Hampshire private high school average acceptance rate of 70%.
40% of private high schools in Nashua, NH are religiously affiliated (most commonly Catholic and Assembly of God).

Top-Ranked Nashua Private High Schools (2026)

School
Location
Quick Facts
The Harkness House
410 Amherst Street, Suite 150
Nashua, NH 03063
(603) 316-6444
Gr: 6-9 | 17 students Avg. class size: 8 students Tuition & acceptance rate listed
2nd Nature Academy (SNA)
2nd Nature Academy (SNA) Photo - 2nd Nature Academy includes early childhood through high school.
Alternative School
(16)
10 Groton Rd
Nashua, NH 03062
(603) 881-4815
Gr: NS-12 | 166 students Avg. class size: 12 students Sports: 5 | Extracurrculars: 10 Tuition & acceptance rate listed
Bishop Guertin High School
Bishop Guertin High School Photo
(Catholic)
(1)
194 Lund Road
Nashua, NH 03060
(603) 889-4107
Gr: 9-12 | 793 students Avg. class size: 18 students Sports: 23 Tuition & acceptance rate listed
Christian Bible Church Academy
(Assembly of God)
205 Manchester St
Nashua, NH 03064
(603) 882-1055
Gr: 1-12 | 16 students Tuition listed
Clearway High School
Special Education School
40 Arlington St
Nashua, NH 03060
(603) 598-8303
Gr: 9-12 | 48 students
[+] Show Closed Private Schools in Nashua, New Hampshire

Nashua, New Hampshire Private Schools (Closed)

School
Location
Quick Facts
3 Crown St
Nashua, NH 03060
(603) 889-2649
Gr: NS-6 Tuition listed
29 Clement St
Nashua, NH 03060
(603) 897-8240
Gr: NS | 77 students Avg. class size: 8 students

Overview

This Town (Nashua)
This State (NH)
# Schools
5 Schools

Student Body:

# Students
1,040 Students
15,413 Students
% Average Students of Color
18%
18%

Academics and Faculty:

# Teachers
94 Teachers
2,072 Teachers
Average Student-Teacher Ratio
11:1
7:1
% Average Faculty w/Advanced Degree
42%
55%
Average Class Size
13 students
11 students
Average Number of AP Courses
10 courses
25 courses
Average SAT score
1330
(Out of 1600)
1242
Average ACT score
26
(Out of 36)
28

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$13,390
$30,457
Average Summer Program Cost
$495
$4,409
Average % on Financial Aid
30%
42%
Average Financial Aid Grant
$3,493
$20,590
Average Acceptance Rate
87%
70%
Average Endowment Size
$1 million
$61.85 million

Students by Ethnicity:

0.49
0.45
# American Indian Students
1 Student
67 Students
% American Indian Students
n/a
n/a
# Asian Students
75 Students
971 Students
% Asian Students
7%
7%
# Hispanic Students
62 Students
522 Students
% Hispanic Students
6%
4%
# Black Students
15 Students
456 Students
% Black Students
2%
3%
# White Students
709 Students
10,726 Students
% White Students
69%
73%
# Hawaiian Students
n/a
4 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
161 Students
1,975 Students
% of Others Students
16%
13%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
10 extracurriculars
15 extracurriculars
Average Number of Sports
14 sports
10 sports

Frequently Asked Questions

What are the top-ranked private high schools in Nashua, NH?
The top-ranked private high schools in Nashua, NH include 2nd Nature Academy (SNA) and Bishop Guertin High School.
How many private high schools are located in Nashua?
5 private high schools are located in Nashua.
How diverse are private high schools in Nashua?
Nashua private high schools are approximately 18% minority students, which is same as the New Hampshire private school average of 18%.
What percentage of private high schools are religiously affiliated in Nashua?
40% of private high schools in Nashua are religiously affiliated (most commonly Catholic and Assembly of God).

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