International School Fees in United States

Overview: IB PYP, IB MYP · 5–18 · $45.5K–$50.7K

The United Nations International School (UNIS) in Manhattan is a coeducational PreK–12 IB World School founded in 1947 by UN staff parents. Closely linked to the United Nations, it offers a multicultural curriculum with instruction in English and multiple foreign languages. With roughly 1,450 students from nearly 109 countries, UNIS emphasizes global awareness and academic excellence. Graduates regularly matriculate at top universities worldwide, reflecting the school's mission of preparing empathetic, internationally-minded citizens.

Overview: — · — · $48.9K–$62.7K

Groton School is a historic, coeducational boarding and day school for grades 8–12, located on a 480-acre campus in Groton, Massachusetts, about an hour from Boston. Founded in 1884 by Rev. Endicott Peabody, it enrolls ~385 students from 30 U.S. states and 24 countries, maintaining an intimate 4:1 student-faculty ratio and average class size of just 11. The school's mission—to inspire lives of character, scholarship, leadership, and service—is embodied in its rigorous college-preparatory curriculum, vibrant arts and athletics programs, and close-knit residential community. Virtually all graduates matriculate to selective four-year colleges, with top destinations including the University of Chicago, Harvard, Stanford, and Yale. Robust need-based financial aid (average grant ~$47,000 for boarding students) ensures the school is accessible to families across income levels.

Overview: — · — · $53.7K–$74.8K

Deerfield Academy, founded in 1797, is a prestigious independent boarding and day school serving grades 9–12 in Deerfield, Massachusetts. It offers a rigorous liberal-arts curriculum with minimal required courses, a robust co-curricular program spanning athletics, arts, and dozens of student clubs, and a close-knit residential life centered on community and character. With an endowment exceeding $920 million and a commitment to meeting 100% of demonstrated financial need, Deerfield maintains a diverse student body drawing from 42 countries. The school's motto, 'Be Worthy of Your Heritage,' reflects its deep emphasis on scholarship, citizenship, and moral character.

Overview: — · — · $56.1K–$71.8K

Phillips Exeter Academy, founded in 1781 in Exeter, New Hampshire, is one of America's most prestigious boarding schools, enrolling approximately 1,100 students in grades 9–12 plus a postgraduate year. Every class uses the Harkness Method — 12 students and one teacher in collaborative discussion around an oval table — making student-led inquiry the cornerstone of academic life. The school operates on a need-blind admissions policy and provides financial aid to nearly half its students, including full tuition waivers for qualifying families. Guided by its motto 'Non Sibi' (Not for Oneself), Exeter fosters intellectual excellence, personal character, and a commitment to purposeful, service-oriented lives.

Overview: — · — · $56.6K–$73.5K

Choate Rosemary Hall is a private, non-sectarian boarding and day school for grades 9 through post-graduate, located on a 458-acre campus in Wallingford, Connecticut. Founded in 1890 as Rosemary Hall and merged with The Choate School in 1974, it enrolls approximately 859 students from over 58 countries. The school offers a rigorous college-preparatory curriculum featuring small classes (average 12 students), AP courses, and distinctive Signature Programs in robotics, environmental studies, the arts, and public service. With outstanding facilities including the LEED-certified Kohler Environmental Center, the Lanphier Center for math and computer science, and the Paul Mellon Arts Center, Choate blends academic excellence with vibrant community life. Its robust need-based financial aid program meets 100% of demonstrated financial need.

Overview: IB Diploma · — · $56.9K

UWC-USA is a prestigious international boarding high school nestled in the historic Montezuma Castle campus in New Mexico, USA, founded in 1982 by philanthropist Armand Hammer. It brings together approximately 200 students from over 90 countries to pursue the International Baccalaureate Diploma Programme in a transformative two-year residential experience. The school places peace education, environmental stewardship, and cross-cultural dialogue at the heart of its curriculum and community life. Over 85% of students receive financial aid, making this globally competitive school accessible to talented young people regardless of background. Graduates go on to leading universities worldwide, and the school has been recognized by the Wall Street Journal as one of the top 20 schools globally.