#1 Best Private High Schools in Merrimack County, NH
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
2026 lists
Best Private High Schools in Merrimack County, NH
Private high schools in Merrimack County, NH with the highest overall grades. Top 5 of 5 schools.
#2 Best Private High Schools in Merrimack County, NH
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
#3 Best Private High Schools in Merrimack County, NH
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
#4 Best Private High Schools in Merrimack County, NH
Concord Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
One of the 3 largest Christian schools in New Hampshire
Concord, NH
B-Overall grade324 students12 students per teacher
#5 Best Private High Schools in Merrimack County, NH
Trinity Christian School
Baptist school · Grades K–12
One of the 3 largest Christian schools in New Hampshire
Concord, NH
B-Overall grade244 students11 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.