#1 Largest Private Schools in Keene, NH
St. Joseph Regional School
Diocesan school · Grades Pre-K–12
286 students
Keene, NH
A-Overall grade286 students9 students per teacher
2026 lists
Largest Private Schools in Keene, NH
The private schools in Keene, NH with the most students. Top 5 of 5 schools.
#2 Largest Private Schools in Keene, NH
Trinity Christian School
Lutheran (Missouri Synod) school · Grades Pre-K–8
96 students
Keene, NH
AOverall grade96 students10 students per teacher
#3 Largest Private Schools in Keene, NH
Our Lady of Mercy Academy
Diocesan school · Grades 9–12
94 students
Keene, NH
A-Overall grade94 students8 students per teacher
#4 Largest Private Schools in Keene, NH
Ashuelot Valley Academy
Special education school · Grades 5–12
46 students
Keene, NH
B+Overall grade46 students6 students per teacher
#5 Largest Private Schools in Keene, NH
Cedarcrest School
Special education school · Grades 1–12
21 students
Keene, NH
A-Overall grade21 students6 students per teacher
From official public records, updated October 2026.