About

Facts at a Glance

Students: 382
Faculty: 94
Boarding: 85 percent
Day: 15 percent
Average Class Size: 11
Campus: 480 acres
Endowment: $380,000,000
Endowment per student: $1,000,000

States Represented: 30
Countries Represented: 22
Students of Color: 44 percent
International: 10 percent
Student-Faculty Ratio: 4 to 1
Percentage of Faculty with Graduate Degrees: 73 percent

Average ACT Scores, Form of 2018:
Composite: 32
English: 32
Math: 30.5
Reading: 32.5
Science: 30.5 

The composite ACT score is equivalent to an SAT score of 1430.


Total AP Exams (2014–18): 2,294 
Students with scores of 3, 4 or 5: 90%
Exams with scores of 4 or 5: 73%

Tuition: $56,550 boarding, $44,050 day
Technology Fee: $600
Health Fee: $400 (boarding only)

Percentage on Financial Aid: 43 percent
Average Boarding Grant: $46,003
Average Day Grant: $29,285
Financial Aid Budget: $7.1 million
Groton School is a diverse and intimate community devoted to inspiring lives of character, learning, leadership, and service.
Groton School is recognized as one of America's top boarding schools. It prepares students in grades 8-12 for the "active work of life."