Explore K-12 Private Schools in the U.S. & Worldwide

Founded in 1896 as an Episcopal boarding school by the Rev. John Byron Diman, St. George’s today lives firmly in the 21st century, with state-of-the-art academic and athletic facilities, and an innovative curriculum that prepares students to become the thoughtful, compassionate leaders and doers the world needs most. A community drawn from a wide range of traditions and backgrounds in the U.S. and around the world, our school provides opportunities for students to deepen their intellectual curiosity and develop their distinctive talents — whether sequencing DNA in a lab, composing music in the arts center, scoring a goal on the athletic fields, navigating by starlight on Geronimo, or learning beyond campus in one of our unique connected-learning programs in places like Los Angeles and Washington, D.C. St. George’s School continues to fulfill its mission through enrolling a diverse, academically talented, and well-rounded student body guided by educators committed to creating a supportive and inclusive environment. True to our Episcopal heritage, we welcome students, faculty, and staff of all faiths to a community guided by core values: respect for each individual, personal integrity, and service to others.

Dwight-Englewood School offers a seamless educational experience from preschool through grade 12 and gives students the highest quality preparation for college and university work while fostering independent thinking; the ability to solve problems; and the skills, tolerance, and integrity it takes to thrive in our multifaceted world.

Located on 125 acres in Western Massachusetts, Williston has a history dating back to 1841. Williston’s 420 students (72 % boarding and 28% day) come from 28 countries and 25 US states. Williston students take part in our Core Life and Leadership Program, our Williston Scholars program, our College Advising program, our Diversity, Equity, Inclusion and Belonging program, and our Center for Academic Success (Academic Support). At the core of the Williston experience is our balance of academic excellence and support. Students choose from 145 courses, 52 of which are AP or honors level, and they utilize our Writing Center, our Math Center, and our Science Center, as well as more formalized academic support. Additionally, Williston has a long history of athletic excellence. Williston has won 18 NEPSAC championships in the last five years, and over 35% of our graduating seniors have gone on to play at the college level in the last 5 years.

As a college preparatory school, Bishop's believes that certain skills, knowledge, and the ability to reason are necessary to meet the demands of a college education and to benefit from it. The School's affiliation with the Episcopal Church reflects the belief that knowledge combined with a spiritual awareness better enables students to function as caring, effective adults in today's world. In addition to stimulating and challenging students academically, the School's mission includes helping young people learn to be morally discriminating and to define ethical standards that will take them from adolescence to adulthood. At Bishop's, the focus is on developing the whole person.

Educating the head, heart, and hand since 1879. Northfield Mount Hermon engages students' intellect, compassion, and talents, empowering them to act with humanity and purpose.

"Princeton Day School nurtures the mind, the body, and the character of each student. In academics, athletics, the arts, and service, we celebrate the pursuit of individual excellence and the spirit of collaboration that binds us together as a community. We seek diversity of cultures, views, and talents to promote the intellectual growth and moral development of our students."

Founded in 1911, Maret School is an independent, coeducational, K–12, college preparatory day school located on a single campus in Washington, DC where we applaud high achievement while promoting a philosophy of nurtured risk-taking.

Since 1922, The Stony Brook School has set out to develop students of character and leadership. The rigorous curriculum is combined with training in the arts, competitive athletics, study of the Bible, chapel, and numerous leadership opportunities. The School offers 19 AP classes; independent learning projects; an integrated and hands-on middle school (grades 7-8); 15 athletic teams; theatrical arts society; international club; Christian Fellowship; FOCUS; trips to NYC, camping/canoeing; and weekend activities both at local attractions and in faculty homes. Come for a visit!

Marlborough School, founded in 1889, is an independent, urban day school serving a diverse group of young women. The School is committed to delivering a superior college preparatory education in an environment imbued with high ethical values. Marlborough is dedicated to the philosophy that academic excellence, leadership skills, and confidence flourish best in an environment exclusively devoted to the education of young women. The Marlborough community enables each student to develop her fullest potential so that she may become an actively engaged global citizen.

Lake Forest Academy is an independent, coed, college-preparatory boarding and day school for students in grades 9-12. Founded in 1857, LFA provides an intimate and challenging educational environment through small classes (average 12 students) and close contact between teachers and students. Participation in athletics, clubs, arts, and leadership opportunities encourages the development of character and self-confidence. Distinguished by its diverse student body, LFA prepares citizens with the intellectual, cultural, and interpersonal skills necessary to succeed in the global community.

Since 1854, Poly Prep has prepared students to be their best selves. We graduate smart, resilient, and empathetic young men and women who engage in the world around them, seeking to learn, do, and lead. A rigorous academic curriculum, rooted in interdisciplinary study, is enhanced by vibrant arts programs, sports programs that range from recreational to highly competitive, and top-notch extracurricular activities, like our champion debate team. From Nursery to 12th grade, Poly students call two lush, verdant Brooklyn campuses “home” in the city’s most dynamic and diverse borough. Poly’s mission is to prepare and inspire the next diverse generation of leaders and global citizens to act with intelligence, imagination and—above all—character.

Stevenson School is a leading boarding school located in Pebble Beach, just 800 yards off the Pacific coast. With a strong California foundation and a global perspective, Stevenson offers an inspired education where curiosity and joy thrive alongside challenge and excellence. Guided by our school motto, Suaviter in modo, fortiter in re (gentle in manner, resolute in deed), we foster a community where students engage thoughtfully with each other and the world. Strengthened by, in the words of our school prayer, "the strength to encounter that which is to come," we prepare students for success in school and beyond, nurturing a lifelong passion for learning, achievement, and purpose.

BASIS Independent McLean is the third to join the family of independent schools quickly establishing some of the very best private schools in the nation. Opened fall 2016, BASIS Independent McLean serves preschool-grade 12.

Westtown School, a Quaker, private, co-ed Pre-K-12 day school with boarding options in grades 9 -12, offers a challenging curriculum that emphasizes critical thinking, collaboration, and creativity combined with an exceptional level of attention. Westtown School fosters a culture of reflection and self-discovery in which students can ignite the unique spark that illuminates their passion and purpose. Westtown School inspires and prepares graduates to become stewards and leaders of a better world.

The Governor’s Academy, the oldest boarding school in New England, draws bright, bold students in grades nine through twelve from all over the world into an open and optimistic learning community. Located 33 miles north of Boston and 4 miles from the Atlantic Ocean, Govs offers a full range of visual and performing arts, more than fifty athletic teams, and dozens of service, cultural, and recreational activities. Whether boarding or day, students are surrounded by dedicated faculty and staff on a beautiful, 456-acre campus. Govs students strive for excellence, discover new passions, and go further than they ever thought possible.

Castilleja School, established in 1907, is dedicated to providing a rigorous college preparatory education for young women in grades six through twelve. Castilleja School educates women by fostering their intellectual, physical, creative, and emotional growth through an exemplary college preparatory experience within a diverse and supportive community. By blending tradition with thoughtful innovation, the curriculum encourages both individual achievement and collaborative learning. Castilleja's comprehensive program promotes the development of character, compassion, curiosity, and the capacity for effective leadership. Castilleja's philosophy is shaped by both tradition and current research that affirm the academic and personal advantages of girls' schools. We demonstrate this conviction in the conscious attention we pay to the needs, issues, pedagogies, and opportunities particular to girls. While our emphasis is on the development of the intellect, Castilleja is committed to the education of the whole person: heart, body, and spirit as well as mind.

Founded in 1907, Berkshire School is a co-ed college preparatory boarding and day school for 425 ninth-12th graders and post-graduates, offering a forward-thinking curriculum and state-of-the-art facilities on a 400-acre campus in Sheffield, Massachusetts. Berkshire’s signature programs, including Advanced Math/Science Research, Advanced Humanities Research, and the Pro Vita Winter Session, are offered along with advanced sections and AP offerings in all disciplines. These programs are designed to expand the minds, provide real-world experiences, and distinguish our students in an increasingly competitive college process. With a range of artistic and athletic offerings and national recognition for our efforts in sustainability, Berkshire provides an extraordinary setting in which students are encouraged to learn in the words of the School motto: Pro Vita Non Pro Schola Discimus, “Learning, not just for school but for life.”

BASIS Independent Schools is a national networkof PreK–12 private, secular schools that educatestudents to the highest international levels. BASISCurriculum Schools are consistently recognized asthe most accelerated and top performing schools inthe world.BASIS Independent Manhattan is a vibrant school community in a setting that fuels discovery and connectivity between students, teachers, and ideas. The school is uniquely situated in one of the most culturally rich and stimulating cities in the world, affording students and staff access to endless museums, parks, galleries, and more.

Georgetown Preparatory School is an independent, Jesuit college-preparatory school for young men. Founded in 1789, Prep is the nation's oldest Catholic boys' boarding and day school. Prep's academically rigorous liberal arts curriculum is based in the educational philosophy of Jesuit founder, St. Ignatius Loyola: a belief in reflection, discernment, scholarly excellence, and personal responsibility, as well as the importance of being "Men for Others." Nationally recognized athletic and fine arts programs with close access to Washington's museums and seat of government compliment the academic program.

Chadwick, a K-12 school founded in 1935, is dedicated to academic excellence and to the development of self-confident individuals of exemplary character. Students are prepared through experience and self-discovery to accept the responsibilities inherent in personal freedom and to contribute positively to contemporary society. The Chadwick Community is committed to living in accordance with its core values of respect, responsibility, honesty, fairness and compassion. In all of its programs, Chadwick seeks to discover and nurture the special gifts each student possesses; to deepen each student's understanding of the complexities of the world; and to inspire each to realize his or her full potential.