#1 Best Private Schools in the Diocese of Manchester
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
2026 lists
Best Private Schools in the Diocese of Manchester
Private schools in the Diocese of Manchester with the highest overall grades. Top 16 of 16 schools.
#2 Best Private Schools in the Diocese of Manchester
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
#3 Best Private Schools in the Diocese of Manchester
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
#4 Best Private Schools in the Diocese of Manchester
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
#5 Best Private Schools in the Diocese of Manchester
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
#6 Best Private Schools in the Diocese of Manchester
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
#7 Best Private Schools in the Diocese of Manchester
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
#8 Best Private Schools in the Diocese of Manchester
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
#9 Best Private Schools in the Diocese of Manchester
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
#10 Best Private Schools in the Diocese of Manchester
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
#11 Best Private Schools in the Diocese of Manchester
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
#12 Best Private Schools in the Diocese of Manchester
Mt. St. Mary Academy
Independent Catholic school · Grades Pre-K–6
Serving families in Manchester since at least 2011
Manchester, NH
B+Overall grade114 students15 students per teacher
#13 Best Private Schools in the Diocese of Manchester
Presentation of Mary Academy
Independent Catholic school · Grades Pre-K–8
The largest of 20 Catholic schools in New Hampshire
Hudson, NH
BOverall grade439 students18 students per teacher
#14 Best Private Schools in the Diocese of Manchester
St. Patrick Academy
Independent Catholic school · Grades Pre-K–8
Growing: enrollment up 35% since 2011–12
Portsmouth, NH
B-Overall grade216 students14 students per teacher
#15 Best Private Schools in the Diocese of Manchester
St. Joseph Regional Catholic School
Diocesan school · Grades Pre-K–8
The only Catholic school in Salem
Salem, NH
B-Overall grade174 students17 students per teacher
#16 Best Private Schools in the Diocese of Manchester
61 South State St.
Diocesan school · Grades Pre-K–8
One of 2 Catholic schools in Concord
Concord, NH
B-Overall grade173 students28 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.