#1 Best Private Schools in New Hampshire
Cardigan Mountain School
Independent school · Grades 6–9
Smaller classes than 86% of independent schools nationwide
Canaan, NH
A+Overall gradeAll boys231 students4 students per teacher
2026 lists
Best Private Schools in New Hampshire
Private schools in New Hampshire with the highest overall grades. Top 49 of 49 schools.
#2 Best Private Schools in New Hampshire
Dublin School
Independent school · Grades 9–12
100% of graduates go to four-year colleges
Dublin, NH
A+Overall grade169 students6 students per teacher
#3 Best Private Schools in New Hampshire
White Mountain School
Episcopal school · Grades 9–12
Smaller classes than 90% of Christian schools nationwide
Bethlehem, NH
A+Overall grade78 students3 students per teacher
#4 Best Private Schools in New Hampshire
Trinity High School
Diocesan school · Grades 9–12
The smallest classes of any Catholic school in Manchester
Manchester, NH
A+Overall grade327 students9 students per teacher
#5 Best Private Schools in New Hampshire
Phillips Exeter Academy
Independent school · Grades 9–12
The largest of 29 independent schools in New Hampshire
Exeter, NH
A+Overall grade1,055 students6 students per teacher
#6 Best Private Schools in New Hampshire
Proctor Academy
Independent school · Grades 9–12
One of the 3 largest independent schools in New Hampshire
Andover, NH
A+Overall grade381 students5 students per teacher
#7 Best Private Schools in New Hampshire
Crossroads Academy
Independent school · Grades K–8
Smaller classes than 82% of independent schools in New Hampshire
Lyme, NH
A+Overall grade114 students7 students per teacher
#8 Best Private Schools in New Hampshire
St. Pauls School
Episcopal school · Grades 9–12
The largest of 29 Christian schools in New Hampshire
Concord, NH
A+Overall grade548 students9 students per teacher
#9 Best Private Schools in New Hampshire
Holy Family Academy
Independent Catholic school · Grades 7–12
90% of graduates go to four-year colleges
Manchester, NH
A+Overall grade108 students10 students per teacher
#10 Best Private Schools in New Hampshire
Mount Royal Academy
Independent Catholic school · Grades Pre-K–12
Smaller classes than 86% of Catholic schools nationwide
Sunapee, NH
A+Overall grade179 students6 students per teacher
#11 Best Private Schools in New Hampshire
New Hampton School
Independent school · Grades 9–12
One of the most diverse private schools in New Hampshire
New Hampton, NH
A+Overall grade315 students5 students per teacher
#12 Best Private Schools in New Hampshire
Bishop Brady High School
Diocesan school · Grades 9–12
94% of graduates go to four-year colleges
Concord, NH
AOverall grade259 students10 students per teacher
#13 Best Private Schools in New Hampshire
St. Benedict Academy
Diocesan school · Grades Pre-K–6
Serving families in Manchester since at least 2011
Manchester, NH
AOverall grade128 students10 students per teacher
#14 Best Private Schools in New Hampshire
St. Joseph Regional Jr. High School
Independent Catholic school · Grades 7–8
Smaller classes than 69% of Catholic schools nationwide
Manchester, NH
AOverall grade106 students11 students per teacher
#15 Best Private Schools in New Hampshire
2nd Nature Academy
Independent school · Grades Pre-K–11
Growing: enrollment up 111% since 2011–12
Nashua, NH
AOverall grade80 students7 students per teacher
#16 Best Private Schools in New Hampshire
Cardinal Lacroix Academy
Parish school · Grades Pre-K–6
One of the most diverse private schools in New Hampshire
Manchester, NH
AOverall grade98 students12 students per teacher
#17 Best Private Schools in New Hampshire
Trinity Christian School
Lutheran (Missouri Synod) school · Grades Pre-K–8
The only Christian school in Keene
Keene, NH
AOverall grade96 students10 students per teacher
#18 Best Private Schools in New Hampshire
St. Thomas Aquinas High School
Diocesan school · Grades 9–12
One of the 3 largest Catholic schools in New Hampshire
Dover, NH
A-Overall grade354 students12 students per teacher
#19 Best Private Schools in New Hampshire
Our Lady of Mercy Academy
Diocesan school · Grades 9–12
Smaller classes than 88% of Catholic schools nationwide
Keene, NH
A-Overall grade94 students8 students per teacher
#20 Best Private Schools in New Hampshire
St. Joseph Regional School
Diocesan school · Grades Pre-K–12
Growing: enrollment up 192% since 2011–12
Keene, NH
A-Overall grade286 students9 students per teacher
#21 Best Private Schools in New Hampshire
St. Mary Academy
Diocesan school · Grades Pre-K–8
Smaller classes than 64% of Catholic schools in New Hampshire
Dover, NH
A-Overall grade183 students9 students per teacher
#22 Best Private Schools in New Hampshire
Tilton School
Independent school · Grades 9–12
97% of graduates go to four-year colleges
Tilton, NH
A-Overall grade175 students7 students per teacher
#23 Best Private Schools in New Hampshire
Claremont Christian Academy
Baptist school · Grades Pre-K–12
Growing: enrollment up 154% since 2011–12
Claremont, NH
B+Overall grade132 students6 students per teacher
#24 Best Private Schools in New Hampshire
Mountain Shadows School
Alternative school · Grades K–8
Serving families in Dublin since at least 2011
Dublin, NH
B+Overall grade60 students8 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.