#1 Best Private Schools in Hillsborough County, NH
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 Hillsborough County, NH
Private schools in Hillsborough County, NH with the highest overall grades. Top 14 of 14 schools.
#2 Best Private Schools in Hillsborough County, NH
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 Hillsborough County, NH
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
#4 Best Private Schools in Hillsborough County, NH
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
#5 Best Private Schools in Hillsborough County, NH
2nd Nature Academy
Independent school · Grades Pre-K–11
Growing: enrollment up 111% since 2011–12
Nashua, NH
AOverall grade80 students7 students per teacher
#6 Best Private Schools in Hillsborough County, NH
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
#7 Best Private Schools in Hillsborough County, NH
The Well School
Alternative school · Grades K–8
Small classes: about 8 students per teacher
Peterborough, NH
B+Overall grade102 students8 students per teacher
#8 Best Private Schools in Hillsborough County, NH
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
#9 Best Private Schools in Hillsborough County, NH
High Mowing School
Independent school · Grades Pre-K–12
97% of graduates go to four-year colleges
Wilton, NH
B+Overall grade333 students11 students per teacher
#10 Best Private Schools in Hillsborough County, NH
Crossroads Christian School
Baptist school · Grades Pre-K–12
Small classes: about 7 students per teacher
Pelham, NH
BOverall grade152 students7 students per teacher
#11 Best Private Schools in Hillsborough County, NH
Hollis Montessori School
Montessori school · Grades Pre-K–8
Growing: enrollment up 49% since 2013–14
Hollis, NH
BOverall grade88 students10 students per teacher
#12 Best Private Schools in Hillsborough County, NH
South Merrimack Christian Academy
Baptist school · Grades Pre-K–12
Small classes: about 8 students per teacher
Merrimack, NH
BOverall grade238 students8 students per teacher
#13 Best Private Schools in Hillsborough County, NH
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 Hillsborough County, NH
World Academy
Independent school · Grades K–8
The largest independent school in Nashua
Nashua, NH
B-Overall grade309 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.