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

Best Nashua Private High Schools (2025-26)

For the 2025-26 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 Bishop Guertin High School and 2nd Nature Academy (SNA).
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 (2025-26)

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

Frequently Asked Questions

What are the top ranked private high schools in Nashua, NH?
The top ranked private high schools in Nashua, NH include Bishop Guertin High School and 2nd Nature Academy (SNA).
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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