#1 Best Private High Schools in Worcester County, MA
Notre Dame Academy
Independent Catholic school · Grades 7–12
The only all-girls school in Worcester
Worcester, MA
A+Overall gradeAll girls258 students8 students per teacher
2026 lists
Best Private High Schools in Worcester County, MA
Private high schools in Worcester County, MA with the highest overall grades. Top 11 of 11 schools.
#2 Best Private High Schools in Worcester County, MA
St. Mark's School
Episcopal school · Grades 9–12
The only Christian school in Southborough
Southborough, MA
A+Overall grade377 students4 students per teacher
#3 Best Private High Schools in Worcester County, MA
Bancroft School
Independent school · Grades Pre-K–12
100% of graduates go to four-year colleges
Worcester, MA
A+Overall grade416 students5 students per teacher
#4 Best Private High Schools in Worcester County, MA
St. Paul Diocesan Jr/Sr High School
Parish school · Grades 7–12
The largest Catholic school in Worcester
Worcester, MA
A+Overall grade406 students12 students per teacher
#5 Best Private High Schools in Worcester County, MA
Trivium School
Independent Catholic school · Grades 7–12
The only Catholic school in Lancaster
Lancaster, MA
A+Overall grade99 students9 students per teacher
#6 Best Private High Schools in Worcester County, MA
St. Bernard's High School
Independent Catholic school · Grades 9–12
98% of graduates go to four-year colleges
Fitchburg, MA
AOverall grade207 students13 students per teacher
#7 Best Private High Schools in Worcester County, MA
Worcester Academy
Independent school · Grades 6–12
99% of graduates go to four-year colleges
Worcester, MA
AOverall grade532 students8 students per teacher
#8 Best Private High Schools in Worcester County, MA
Whitinsville Christian School
Calvinist school · Grades Pre-K–12
The largest of 57 Christian schools in Massachusetts
Whitinsville, MA
A-Overall grade625 students8 students per teacher
#9 Best Private High Schools in Worcester County, MA
South Lancaster Academy
Christian school (nondenominational) · Grades Pre-K–12
91% of graduates go to four-year colleges
South Lancaster, MA
A-Overall grade264 students12 students per teacher
#10 Best Private High Schools in Worcester County, MA
St. John's High School
Independent Catholic school · Grades 7–12
The only all-boys school in Shrewsbury
Shrewsbury, MA
B+Overall gradeAll boys916 students12 students per teacher
#11 Best Private High Schools in Worcester County, MA
The Winchendon School
Independent school · Grades 9–12
95% of graduates go to four-year colleges
Winchendon, MA
BOverall grade271 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.